ecrin-mdr-crcClinical2018Colorectal cancerColorectal CancerObservationalhttps://newmdr.ecrin.org/Study/2656496Japan4ECRIN MDRCompletedfalseCross-sectional study of the effectiveness and safety of proton beam therapy for liver metastatic 3 or less lesions in colorectal cancer patients without extrahepatic tumorPrimary outcome(s): 1) Local control rates 2) Overall survival rates 3) Progression-free survival rates 4) Adverse events2018-04-152656496JPRN-UMIN000041792