title: Sacrectomy margins for rectal cancer invading sacrum: an anatomic study.
authors.forename: Cemalettin
authors.initials: C
authors.lastname: Aydin
authors.forename: Cuneyt
authors.initials: C
authors.lastname: Kayaalp
authors.forename: Aymelek
authors.initials: A
authors.lastname: Cetin
mesh_terms: D000328:Adult; D003050:Coccyx / Q000033:anatomy & histology*; D006801:Humans; D008159:Lumbar Vertebrae / Q000033:anatomy & histology; D009361:Neoplasm Invasiveness; D012004:Rectal Neoplasms / Q000473:pathology; D012445:Sacrococcygeal Region; D012447:Sacrum / Q000033:anatomy & histology* / Q000601:surgery