Table 1.

Clinicopathologic Characteristics of the Patients: Chief Symptoms, Laterality, Lesion Location, and Voided Urine Cytologic and Computed Tomographic Results

Patient	Age (y)	Sex	Chief Symptom	Laterality	Location	Voided Urine Cytology	CT
1	62	M	FP	Left	Proximal ureter	Negative	Mild periureteric fat infiltration and wall thickening in the left proximal ureter
2	58	M	Incidentally discovered during workup for LUTS	Left	Pelvis	Negative	A 4-cm UC involving the left renal pelvis
3	52	M	FP	Right	Midureter	Negative	Ureteral wall enhancement and small soft tissue mass in the right midureter lumen
4	55	F	Incidentally discovered during workup for gallbladder stones	Left	Pelvis	Negative	A 1.6-cm enhancing mass in the left renal pelvis
5	49	M	FP	Left	Midureter	Negative	A 1.5-cm well-enhancing mass in the left midureter with nearly total obstruction
6	52	F	FP	Right	Distal ureter	Negative	Enhancing lesion in the right distal ureter, causing hydroureteronephrosis and decreased renal function
7	64	M	Incidentally discovered during workup for LUTS	Right	Proximal and distal ureter	Negative	Multifocal wall thickening accompanying a right hydroureteronephrosis and periureteral infiltration

CT, computed tomography; FP, flank pain; LUTS, low urinary tract symptoms; UC, urothelial carcinoma.