El Callao, 34 meters above sea level, has a rate of 3.8% while Iquitos which is 106 meters above sea level has a 1.6% rate, and Lima, 150 meters above sea level, has a 3.5% rate 21. Of the 170 cases of GC studied in this report, 52% were male, 53% were over 60 years of age, all tumors were advanced, and 71% were intestinal while 38% were proximal.
En este mismo informe sobre 170 casos de CG, se observó predominio del género masculino 52%, 53% de ellos mayores de 60 años; la totalidad de los tumores fueron avanzados, 71% de tipo intestinal y 38% de localización proximal.