Table 2 clinical T stage and pahological data
A method | B method | ||
|---|---|---|---|
preoperative clinical T stage | T1a | 30 (59%) | 20 (61%) |
T1b | 21 (41%) | 13 (39%) | |
pathological classification | clear cell | 43 (84%) | 26 (79%) |
Papillary | 3 (6%) | 0 | |
Chromophobe | 2 (4%) | 3 (9%) | |
benign | 2 (4%) | 2 (6%) | |
Other | 1 (2%) | 2 (6%) | |
grade | G1 | 15 (29%) | 8 (24%) |
G2 | 26 (51%) | 20 (61%) | |
G3 | 7 (14%) | 1 (3%) | |
Unclear | 3 (6%) | 4 (12%) | |
microscopic venous invasion | Negative | 38 (75%) | 18 (55%) |
Positive | 13 (26%) | 11 (33%) | |
Unclear | 0 | 4 (12%) | |
pathological T stage | T1a | 37 (73%) | 25 (76%) |
T1b | 9 (18%) | 5 (15%) | |
T2- | 5 (10%) | 3 (9%) |