colorectal tumor measurement colorectal tumor number 2013-09-26T12:05:43Z A value or quantity determined by count of colorectal tumors, abnormal growths of tissue resulting from uncontrolled, progressive multiplication of cells and serving no physiological function, 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:0001794 JSmith MESH:D015179 clinical_measurement_ontology colorectal neoplasm number colorectal tumor count