title: Letter: Carcinoma of the rectum.
mesh_terms: D000230:Adenocarcinoma / Q000209:etiology*; D005260:Female; D006801:Humans; D011878:Radiotherapy / Q000009:adverse effects*; D012004:Rectal Neoplasms / Q000209:etiology*; D012811:Sigmoid Neoplasms / Q000209:etiology; D013997:Time Factors; D002583:Uterine Cervical Neoplasms / Q000532:radiotherapy