| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Adenoma AND/OR adenocarcinoma | Is a | True | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Complex epithelial neoplasm | Is a | True | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Squamous cell neoplasm | Is a | True | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Transitional cell neoplasm | Is a | True | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Cylindroma | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Basal cell neoplasm | Is a | True | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Thymic epithelial neoplasm | Is a | True | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Large cell carcinoma with rhabdoid phenotype | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Glassy cell carcinoma | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma with osteoclast-like giant cells | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Non-small cell carcinoma | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Tumorlet, benign | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Pleomorphic carcinoma | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Combined small cell carcinoma | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Large cell carcinoma | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Pseudosarcomatous carcinoma | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma, undifferentiated | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Epithelial tumor, benign, no International Classification of Diseases for Oncology subtype | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Giant cell carcinoma | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma, anaplastic | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Small cell carcinoma, intermediate cell | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Epithelioma, benign | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Spindle cell carcinoma | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma, no subtype | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Carcinomatosis | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Polygonal cell carcinoma | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Epithelioma, malignant | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Tumorlet | Is a | True | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Giant cell and spindle cell carcinoma | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Small cell carcinoma, fusiform cell | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Small cell carcinoma | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma, metastatic | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| [M]Epithelial neoplasms NOS | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| [M]Epithelial tumor, benign | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| [M]Unspecified epithelial neoplasm | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| [M]Papillary and squamous cell neoplasms | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Vaginal intraepithelial neoplasia grade 1 | Associated morphology | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Vaginal intraepithelial neoplasia grade 2 | Associated morphology | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Mucinous cystadenocarcinoma of ovary | Associated morphology | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Mixed epithelial tumor of ovary | Associated morphology | True | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Squamous cell carcinoma of cervix | Associated morphology | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Vaginal intraepithelial neoplasia | Associated morphology | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Squamous cell carcinoma of anal margin | Associated morphology | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Squamous cell carcinoma of esophagus | Associated morphology | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Vulval intraepithelial neoplasia grade 1 | Associated morphology | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Vulval intraepithelial neoplasia grade 2 | Associated morphology | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Dysplasia of vulva, unspecified | Associated morphology | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ, no International Classification of Diseases for Oncology subtype | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Pancreatic intraepithelial neoplasia | Is a | True | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Malignant epithelial neoplasm - category | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma in situ - category | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Benign epithelial neoplasm - category | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Epithelial neoplasm of skin | Associated morphology | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Anal intraepithelial neoplasia | Associated morphology | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Anal intraepithelial neoplasia grade II | Associated morphology | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Anal intraepithelial neoplasia grade I | Associated morphology | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Epithelial tumor of ovary | Associated morphology | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant epithelial tumor of ovary | Associated morphology | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Serous papillary cystadenocarcinoma ovary | Associated morphology | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 2 | 
| Mucinous cystadenocarcinoma of ovary | Associated morphology | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 2 | 
| Clear cell tumor of ovary | Associated morphology | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 2 | 
| Borderline epithelial tumor | Associated morphology | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Cystadenocarcinoma of ovary | Associated morphology | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 2 | 
| Clear cell (mesonephroid) neoplasm - category | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Keratoacanthoma of skin | Associated morphology | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 2 | 
| Vaginal intraepithelial neoplasia | Associated morphology | True | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Anal intraepithelial neoplasia grade II | Associated morphology | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Anal intraepithelial neoplasia grade I | Associated morphology | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Anal intraepithelial neoplasia | Associated morphology | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Dysplasia of vulva, unspecified | Associated morphology | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Epithelial tumor of ovary | Associated morphology | True | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Epithelial neoplasm of skin | Associated morphology | True | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Prostatic intraepithelial neoplasia | Associated morphology | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Prostatic intraepithelial neoplasia and adjacent atypia | Associated morphology | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ | Is a | True | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Benign epithelial neoplasm | Is a | True | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Malignant epithelial neoplasm | Is a | True | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Clear cell mesonephroid neoplasm | Is a | True | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Multilocular cystic renal cell neoplasm of low malignant potential | Is a | True | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| [M]Papillary and squamous cell neoplasms | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| [M]Unspecified epithelial neoplasm | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| [M]Epithelial neoplasms NOS | Is a | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier |  | 
| [X]Dysplasia of vulva, unspecified | Associated morphology | False | Epithelial neoplasm | Inferred relationship | Existential restriction modifier | 1 |