N0 (N=182)	N1_N2_N3 (N=49)	P-value
pathologic_T
T1	182 (100%)	49 (100%)	<0.001
pathologic_M
M0	121 (66.5%)	31 (63.3%)	0.152
M1	1 (0.5%)	2 (4.1%)
MX	60 (33.0%)	16 (32.7%)
pathologic_stage
Stage I	181 (99.5%)	0 (0%)	<0.001
Stage IV	1 (0.5%)	2 (4.1%)
Stage II	0 (0%)	31 (63.3%)
Stage III	0 (0%)	15 (30.6%)
Missing	0 (0%)	1 (2.0%)
Age (years)
Mean (SD)	66.9 (8.93)	64.9 (9.73)	0.511
Median [Min, Max]	68.0 [39.0, 88.0]	63.0 [41.0, 81.0]
Missing	4 (2.2%)	1 (2.0%)
gender
FEMALE	99 (54.4%)	25 (51.0%)	0.795
MALE	83 (45.6%)	24 (49.0%)