| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Carcinoma in situ of left lower lobe of lung | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of left upper lobe of lung | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of lesser curvature of stomach | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of lower inner quadrant of female breast | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of lower outer quadrant of female breast | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of lower third of esophagus | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of main bronchus | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of maxillary sinus | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of Meckel's diverticulum | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of middle third of esophagus | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of multiple endocrine glands | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of myometrium | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of nipple of female breast | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of nipple of male breast | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of ovary | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of pancreas | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 3 | 
| Carcinoma in situ of pancreatic duct | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 6 | 
| Carcinoma in situ of parametrium | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of paraurethral glands | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of perianal skin | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of pyloric antrum | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of rectosigmoid junction | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of rectum | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of sigmoid colon | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of skin of axilla | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of skin of back | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of skin of breast | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 4 | 
| Carcinoma in situ of skin of buttock | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of skin of foot | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of skin of groin | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of skin of hand | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 2 | 
| Carcinoma in situ of skin of hip | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of skin of knee | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of skin of neck | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of skin of perineum | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of skin of shoulder | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma in situ of skin of thigh | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of splenic flexure of colon | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of tail of pancreas | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of thoracic esophagus | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 3 | 
| Carcinoma in situ of transverse colon | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of trigone of urinary bladder | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of upper inner quadrant of female breast | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of upper outer quadrant of female breast | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of upper third of esophagus | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of urachus | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of ureter | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of ureteric orifice of urinary bladder | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of urethra | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of urinary bladder neck | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of vagina | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of vocal cord | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of anterior two-thirds of tongue - dorsal surface | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 43 | 
| Carcinoma in situ of upper buccal sulcus | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of upper buccal sulcus | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 6 | 
| Carcinoma in situ of lower buccal sulcus | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 7 | 
| Carcinoma in situ of lower buccal sulcus | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 6 | 
| Carcinoma in situ upper labial sulcus | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 5 | 
| Carcinoma in situ upper labial sulcus | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 6 | 
| Carcinoma in situ of lower labial sulcus | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of lower labial sulcus | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 6 | 
| Carcinoma in situ of anterior pillar of fauces | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of anterior pillar of fauces | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 6 | 
| Carcinoma in situ of lung parenchyma | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Squamous cell carcinoma in situ of skin | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 4 | 
| Adenocarcinoma in situ of cervix | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 2 | 
| Adenocarcinoma in situ of cervix | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 2 | 
| Paget's disease of vulva | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Prostatic intraepithelial neoplasia | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 2 | 
| Bowen's disease of cornea | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 3 | 
| Carcinoma in situ of oral cavity, lips, salivary glands | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma in situ of ear, nose and throat | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 2 | 
| Penile intraepithelial neoplasia | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of prostatic ducts | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of urinary tract proper | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Vulval intraepithelial neoplasia grade 3 | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 3 | 
| Carcinoma in situ of accessory sinus | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 2 | 
| Carcinoma in situ of adenoid | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of adrenal gland | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 2 | 
| Carcinoma in situ of alveolar ridge mucosa | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of alveolar ridge mucosa | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of ampulla of Vater | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 22 | 
| Carcinoma in situ of ampulla of Vater | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 8 | 
| Carcinoma in situ of anterior aspect of epiglottis | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 2 | 
| Carcinoma in situ of anterior portion of floor of mouth | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of anterior portion of floor of mouth | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of anterior two-thirds of tongue | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 20 | 
| Carcinoma in situ of base of tongue | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 5 | 
| Carcinoma in situ of base of tongue | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of body of uterus | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of bronchus | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 2 | 
| Carcinoma in situ of buccal mucosa | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of buccal mucosa | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 6 | 
| Carcinoma in situ of carina | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of uterine cervix | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of choroid | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of choroid | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of ciliary body | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of ciliary body | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of commissure of lip | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of commissure of lip | Associated morphology | False | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 13 |