The prognostic nutritional index can be a prognostic indicator in colorectal carcinoma.

Purpose Preoperative assessments regarding a patient’s immunological and nutritional condition are required to predict the outcomes of patients with malignant tumors. The aim of the current study was to clarify the significance of Onodera’s prognostic nutritional index (OPNI), which can simply account for the immunological and nutritional conditions, in patients with colorectal carcinoma.