title: Early colorectal cancer--concepts and clinical implications: introduction.
authors.forename: T
authors.initials: T
authors.lastname: Muto
mesh_terms: D015179:Colorectal Neoplasms / Q000145:classification / Q000453:epidemiology / Q000473:pathology*; D006801:Humans; D007564:Japan; D009367:Neoplasm Staging; D012307:Risk Factors