RADIOLOGY: GENITOURINARY: GU: Case# 33034: PELVIC TCC. 63 year old male with hematuria. With this patients history of hematuria, filling defect within the left renal collecting system as described above is worrisome for transitional cell carcinoma. Other differential considerations of hemorrhagic clot or debris are less likely. No evidence for nephrolithiasis. Remainder of the abdomen is otherwise unremarkable. Subtle deformity involves the left inferior pubic ramus which may be related to prior trauma.