title: Transurethral sonography--a non-invasive method to determine the infiltration of bladder tumors.
mesh_terms: D002277:Carcinoma / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D009361:Neoplasm Invasiveness; D014463:Ultrasonography / Q000379:methods*; D001743:Urinary Bladder / Q000473:pathology; D001749:Urinary Bladder Neoplasms / Q000175:diagnosis* / Q000473:pathology