Definition: A malignant neoplasm characterized by the formation of numerous, irregular, finger-like projections of fibrous stroma that is covered with a surface layer of neoplastic epithelial cells. (Stedman, 25th ed)
/blood supply /chem /second /secret /ultrastruct permitted; coord IM with precoord organ/neopl term (IM)
Other names Papillary Carcinomas; Papillary Carcinoma; Carcinomas, Papillary