ACR Appropriateness Criteria Pretreatment Staging of Colorectal Cancer

This is a clinical practice guideline for the pretreatment staging of colorectal cancer. Recommendations are made with consideration of two different variants of colorectal cancer: 1. rectal cancer, locoregional staging, and 2. colorectal cancer, staging for distant metastases. The guideline provides recommendations as to the appropriate imaging modalities to be used in the initial staging of colorectal cancer.