“…In our group, age had an important influence on survival: [1-3, 5, 7-10, 12, 14, 17, 22], but, particularly in the early stages, they are not as favorable as reported by Gallup et al for patients below the age of 60, the percentage of a 5-year NED survival rate is 63.2%, for those over 60 years of age (100 and 75% in stages I and II, respectively) [22], Spirtos et al (94 and 80%) [23], and Leung and Sexton (90% stage it reaches only 25%. In the group presented by Vavra et al…”