Conditional Survival in Patients With Rectal Cancer and Complete Clinical Response Managed by Watch and Wait After Chemoradiation Recurrence Risk Over Time - Juliao, Guilherme P. Sao; Karagkounis, Georgios; Fernandez, Laura M; Gama, Angelita Habr; Vailati, Bruna B; Dattani, Mit; Kalady, Matthew F; Perez, Rodrigo O (Annals of surgery, 2020)