malignant colorectal tumor surface area measurement poorly differentiated malignant colorectal tumor surface area measurement 2014-01-24T17:01:54Z A measurement of the two-dimensional extent of a planar region comprising the superficial or external aspect of one or more poorly differentiated malignant colorectal tumors, abnormal growths of tissue in the large intestine resulting from uncontrolled, progressive multiplication of cells and serving no physiological function, which display the properties of anaplasia, invasiveness and metastasis, and do not display specific physical forms, physiologic functions, and chemical properties characteristic of the tissue. CMO:0002078 MESH:D015179 RDO:9000031 VT:0010554 clinical_measurement_ontology jsmith poorly differentiated colorectal adenocarcinoma surface area measurement poorly differentiated malignant colorectal neoplasm surface area measurement