COMPARISON OF SURVIVAL RATES MADE BY THE 6TH AND 7TH EDITIONS OF TNM CLASSIFICATION IN STOMACH CANCER PATIENTS Journal title: World Science Authors: S. I. Kirkilevsky, A. A. Mashukov, O. I. Tkachenko, S. V. Merlich, O. V. Luk`yanchuk, D. V. Ratsibor... Subject(s):