Table 2.

Change in pathology report and treatment based on pathological second opinion from a GU-focused pathologist

	n (%)
Pathological changes on review
Stage	115/1191 (9.7)
Grade	62/1191 (5.2)
Presence or absence of CIS	34/1191 (2.9)
Presence of lymphovascular invasion	35/620 (5.6)
Mixed, variant, or nonurothelial histology	114/212 (53.8)
Treatment alterations
Any treatment alteration	182/1191 (15.3)
Major alteration in treatment	141/1191 (11.8)
Change for radical cystectomy	82/1191 (6.8)
Change in primary tumour type	38/1191 (3.2)
Change in systemic chemotherapy regimen	21/1191 (1.8)
Minor alteration in treatment	41/1191 (3.4)

CIS: carcinoma in situ; GU: genitourinary.