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Table 1 Patients' clinicopathologic features at surgery

From: Risk stratification for predicting postoperative recurrence/metastasis of colorectal cancer by grade of venous invasion coupled with histological subtype

  WMDA (n = 152) PDA (n = 98) MUA (n = 64) SRCC (n = 9)
Age     
 Range 34–93 36–92 26–90 30–82
 Median 69 69.5 71 71
Sex     
 Male 95 47 42 5
 Female 57 51 22 4
Family history of CRC     
 Yes 7 1 4 1
 No 145 96 59 8
 Unknown   1 1  
Location     
 Left-sided 107 40 33 4
 Right-sided 45 58 31 5
Depth of invasion     
 pTis/pT1/pT2 3/15/22 0/2/3 0/1/5 0/0/1
 pT3/pT4 92/20 57/36 45/13 2/6
Venous invasion     
 Yes (v1-3) 84 80 31 8
 No (v0) 68 18 33 1
Lymphatic invasion     
 Yes 55 86 38 8
 No 88 12 26 1
 Unknown 9    
Nodal metastasis     
 pN1/pN2 41/17 37/30 17/9 2/4
 pN0 94 31 38 3
pTNM stage     
 0/I/II 3/33/58 0/4/27 0/4/33 0/1/1
 III 58 67 27 7
Postoperative chemotherapy     
 Yes 52 48 22 3
 No 100 48 39 6
 Unknown   2 3  
Postoperative radiation     
 Yes 5 2 3 1
 No 147 94 58 8
 Unknown   2 3  
  1. WMDA well-to-moderately differentiated adenocarcinoma, PDA poorly differentiated adenocarcinoma, MUA mucinous adenocarcinoma, SRCC signet-ring cell carcinoma, pTNM pathologic tumor, node, metastasis