Cystadenocarcinoma

**Semantic type:** Neoplastic Process

**Definition:** A malignant cystic epithelial neoplasm arising from the glandular epithelium. The malignant epithelial cells invade the stroma. The cystic spaces contain serous or mucinous fluid. Representative examples include ovarian and pancreatic cystadenocarcinomas.

**Synonyms:** - CYSTADENOCARCINOMA, MALIGNANT - Cystadenocarcinoma, NOS