Table 2 Pathological Features of Entire Cohort
Characteristic | Total (%) | Level I (%) | Level II (%) | Level III (%) | Level IV (%) | P value |
|---|---|---|---|---|---|---|
146 (100) | 77 (53) | 48 (33) | 12 (8) | 9 (6) | ||
T stage | <0.001 | |||||
T3a | 75 (51) | 75 (97) | 0 | 0 | 0 | |
T3b | 51 (35) | 0 | 40 (83) | 11 (92) | 0 | |
T3c | 8 (6) | 0 | 0 | 0 | 8 (89) | |
T4 | 12 (8) | 2 (3) | 8 (17) | 1 (8) | 1 (11) | |
Grade | 0.015 | |||||
1 | 1 (1) | 0 | 0 | 1 (8) | 0 | |
2 | 24 (16) | 17 (22) | 5 (10) | 1 (8) | 1 (11) | |
3 | 86 (59) | 39 (51) | 32 (67) | 10 (84) | 5 (56) | |
4 | 35 (24) | 21 (27) | 1 (23) | 0 | 3 (33) | |
Path tumor size (cm) | 10.2 ± 4.5 | 9.2 ± 4.3 | 11.7 ± 4.6 | 10 ± 2.9 | 12 ± 6.3 | 0.02 |
(2–25) | (2–23) | (3.5-25) | (5.5-15) | (5–22) | ||
Metastasis | 0.3 | |||||
Absent | 104 (71) | 56 (73) | 31 (65) | 11 (92) | 6 (67) | |
Present | 42 (29) | 21 (27) | 17 (35) | 1 (8) | 3 (33) | |
LN | 0.01 | |||||
N0 | 69 (47) | 30 (39) | 29 (60) | 5 (42) | 5 (56) | |
Nx | 48 (33) | 36 (47) | 6 (13) | 4 (33) | 2 (22) | |
N+ | 29 (20) | 11 (14) | 13 (27) | 3 (25) | 2 (22) | |
Sarcomatoid Differentiation | 0.3 | |||||
Absent | 127 (87) | 68 (88) | 39 (81) | 12 (100) | 8 (89) | |
Present | 19 (13) | 9 (1) | 9 (19) | 0 | 1 (11) | |
Adrenal Involvement | 0.08 | |||||
Absent | 128 (88) | 72 (94) | 38 (79) | 11 (92) | 7 (78) | |
Present | 18 (12) | 5 (6) | 10 (21) | 1 (8) | 2 (22) | |
Tumor Necrosis | 0.4 | |||||
Absent | 52 (36) | 32 (42) | 15 (31) | 3 (25) | 2 (22) | |
Present | 94 (64) | 45 (58) | 33 (69) | 9 (75) | 7 (78) | |
Fat Invasion | 0.3 | |||||
Absent | 28 (19) | 18 (23) | 7 (15) | 3 (25) | 0 (0) | |
Present | 118 (81) | 59 (77) | 41 (85) | 9 (75) | 9 (100) | |
Histological Subtype | 0.7 | |||||
Non clear cell | 11 (8) | 5 (6) | 5 (10) | 1 (8) | 0 (0) | |
Clear cell | 135 (92) | 72 (94) | 43 (90) | 11 (92) | 9 (100) |