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Table 2 Differences in the extent of tumor spreading in the rectosigmoid wall between patients who underwent a modified posterior exenteration in the PDS group and those in the IDS group

From: Histopathologic tumor spreading in primary ovarian cancer with modified posterior exenteration

Characteristics PDS (n = 38) IDS (n = 37) P value
Rectosigmoid wall involvement    0.939
 Positive 25 24  
  Depth of tumor invasion    0.012
   Mucosal or submucosal layer 7 3  
   Muscular layer 11 5  
   Serosal layer 7 16  
 Negative 13 13  
  Factor in rectosigmoid adhesion    0.706
   Tumor involvement of the mesocolon 2 1  
   Tumor involvement of the peritoneum of the cul-de-sac 4 2  
   Fibrosis, necrosis, and/or granulation 3 8  
   Endometriosis 3 1  
   No histopathologic finding 1 1  
  1. PDS primary debulking surgery, IDS interval debulking surgery after neoadjuvant chemotherapy