Papillary Cystadenocarcinoma

**Semantic type:** Neoplastic Process

**Definition:** A malignant cystic serous or mucinous epithelial neoplasm characterized by the presence of malignant glandular epithelial cells forming papillary structures. Stromal invasion is present.

**Synonyms:** - CYSTADENOCARCINOMA, PAPILLARY, MALIGNANT - Papillary cystadenocarcinoma, NOS - Papillocystic adenocarcinoma