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Table 2 Disease characteristics

From: Is there a need for neoadjuvant short-course radiotherapy in T3 rectal cancer with positive lymph node involvement? A single-center retrospective cohort study

Characteristics Surgery only, N = 57 (%) Radiotherapy plus surgery, N = 94 (%) p
Histology 0.76
 Adenocarcinoma 48 (84) 82 (87)  
 Mucinous carcinoma 9 (16) 11 (12)  
 Neuroendocrine carcinoma 0 1 (1)  
Grade 0.87
 1 4 (7) 5 (5)  
 2 41 (72) 74 (79)  
 3 10 (18) 13 (14)  
 4 0 (0) 2 (2)  
 Missinga 2 (3) 0  
pN 0.62
 1 33 (58) 50 (53)  
 2 24 (42) 44 (47)  
Lateral margin R1 (< 1 mm) 6 (11) 6 (6) 0.37
Tumor perforation 5 (9) 2 (2) 0.10
Invasion 0.04
 Vascular/neural/lymphatic 15 (26) 41 (44)  
  1. aData not available, not included in the significance test