Impact of preoperative radiotherapy on survival in locally advanced rectal cancer: An observational population-based study from the South of Switzerland
作者单位:Radiation Oncology Unit, Oncology Institute of Southern Switzerland (IOSI), Bellinzona, Switzerland[1]Clinical Pathology, Institute of Pathology (ICP), Locarno, Switzerland[2]Ticino Cancer Registry, Institute of Pathology, Via in Selva, 24, CH-6600 Locarno, Switzerland[3]