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Table 3 Results of postoperative pathological examination

From: Preoperative conventional chemoradiotherapy versus short-course radiotherapy with delayed surgery for rectal cancer: results of a randomized controlled trial

Variable RT (%)
n = 68
CRT (%)
n = 72
P
ypT0 3 (4.4) 8 (11.1) 0.112
ypT1 3 (4.4) 5 (6.9)  
ypT2 18 (26.5) 19 (26.4)  
ypT3 44 (64.7) 36 (50)  
ypT4 0 4 (5.6)  
ypN0 43 (64.2) 54 (75) 0.318
ypN1 19 (27.9) 14 (19.4)  
ypN2 6 (8.9) 4 (5.6)  
Differentiation    
 G1 6 (9) 5 (7.8) 0.306
 G2 56 (83.5) 51 (79.7)  
 G3 5 (7.5) 8 (12.5)  
ypL1 (lymphatic) 23 (37.1) 22 (31.9) 0.530
ypV1 (vascular) 19 (31.1) 15 (21.7) 0.233
Distal resection    
 margin (mm) 29.83 (SD = 15.1) 31.62 (SD = 17.1) 0.538
Circumferential resection    
 margin (mm) 5.02 (SD = 4.44) 7 (SD = 7.19) 0.193
Tumor size (mm) 26.22 (SD = 12.22) 25.13 (SD = 12.48) 0.622