colorectal tumor surface area measurement malignant colorectal tumor surface area measurement 2013-09-26T12:23:59Z A measurement of the two-dimensional extent of a planar region comprising the superficial or external aspect of one or more malignant colorectal tumors, abnormal growths of tissue resulting from uncontrolled, progressive multiplication of cells and serving no physiological function, which display the properties of anaplasia, invasiveness and metastasis, and which occur in the large intestine, the distal portion of the alimentary canal, especially in the colon and/or rectum, the segment of the large intestine between the cecum and the anal canal. CMO:0001798 MESH:D015179 RDO:9000031 clinical_measurement_ontology colorectal adenocarcinoma surface area measurement jsmith malignant colorectal neoplasm surface area measurement