One-year conditional survival in surgically treated older colorectal cancer patients: a EURECCA European comparison. Issue 2 (February 2020) - Bahadoer, Renu; Bastiaannnet, Esther; Bos, Amanda; van Eycken, Elizabeth; Guren, Marianne; Kørner, Hartwig; Martling, Anna; Johansson, Robert; van de Velde, Cornelis; Dekker, Jan Willem