Papillary tumor

Noun
1. a benign epithelial tumor forming a rounded mass
(synonym) papilloma, villoma, papillary tumour
(hypernym) benign tumor, benign tumour, nonmalignant tumor, nonmalignant tumour, nonmalignant neoplasm

A tumor shaped like a small mushroom with its stem attached to the inner lining of the bladder.

[PAP-ih-lar-ee TOO-mer]
A tumor shaped like a small mushroom, with its stem attached to the epithelial layer (inner lining) of an organ.