title: Benign proliferation processes presenting as mass lesions in the urinary bladder.
mesh_terms: D000230:Adenocarcinoma / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery; D000328:Adult; D001706:Biopsy; D003556:Cystitis / Q000000981:diagnostic imaging* / Q000473:pathology; D003558:Cystoscopy; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008875:Middle Aged; D001743:Urinary Bladder / Q000000981:diagnostic imaging*; D001749:Urinary Bladder Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology / Q000601:surgery; D014567:Urography