title: Commentary on Nielsen et al.
authors.affiliation: Reader in Surgery and Consultant Colorectal Surgeon, Imperial College London, The Royal Marsden Hospital, London, UK. p.tekkis@imperial.ac.uk
authors.forename: Paris
authors.initials: P
authors.lastname: Tekkis
mesh_terms: D006801:Humans; D009364:Neoplasm Recurrence, Local / Q000601:surgery*; D012004:Rectal Neoplasms / Q000601:surgery*