Selective approach for upper rectal cancer treatment: Total mesorectal excision and preoperative chemoradiation are seldom necessary

1. Marinello, F.G.
2. Frasson, M.
3. Baguena, G.
4. Flor-Lorente, B.
5. Cervantes, A.
6. Roselló, S.
7. Espí, A.
8. García-Granero, E.