An Expert Opinion Regarding the Management of Lower Gastrointestinal Cancers During COVID-19 Outbreak in Iran: A Brief Report - Miri, Seyed Rouhollah; Mahmoodzadeh, Habibollah; Hadjilooei, Farimah; Khoshdani Farahani, Parham; Moradi, Mohammad; Alemrajabi, Mahdi; Memari, Fereidoon (Acta Medica Iranica, 2021)