Colorectal cancer is one of the most common malignant tumors in China. Early diagnosis and accurate staging and grading help to clarify treatment options and improve the prognosis and quality of life of patients. With the rapid development of PET/CT, it plays an important role in preoperative diagnosis, staging and prognosis assessment of colorectal cancer. This article reviewed the current status and progress of PET/CT in preoperative application of colorectal cancer.

Background: Glycolytic function is obviously related to the proliferation, metastasis and drug resistance of colorectal cancer, and there is still a lacking of corresponding indicators for quantitatively evaluating the level of glycolysis. Aims: To investigate the correlation between