Table 1.

Estimation of Peritoneal Surface Disease Severity of Patients with Colorectal Cancer Peritoneal Carcinomatosis

Peritoneal Surface Disease Severity Score for Colorectal Cancer
Clinical Symptoms	Extent of Carcinomatosis	Primary Tumor Histopathology
No Symptoms	PCI < 10	Well or Moderately Differentiated and N0
0 points	1 Point	1 Point
Mild Symptoms	PCI 10 to 20	Moderately Differentiated and N1 or N2
1 Point	3 Points	3 Points
Severe Symptoms	PCI > 20	Poorly Differentiated or Signet Ring
6 Points	7 Points	9 Points