ecrin-mdr-crcClinical2012Pulmonary metastases from colorectal cancerPulmonary Metastases From Colorectal CancerInterventionalhttps://newmdr.ecrin.org/Study/2632774Japan1ECRIN MDRCompletedfalseA study on the detection of circulating tumor cells (CTC) in patients with resected pulmonary metastases from colorectal cancer and its clinical significance as a biomarkerInterventions: Peripheral blood samples will be drawn from CRC patients with PM prior to operation and will be tested for CTC enumeration. Primary outcome(s): CTC positivity rate for patients having undergone resection of PM from CRC Study Design: Single arm Non-randomized2012-01-152632774JPRN-UMIN000017460