With more than one million incident diagnoses and more than 600 thousand deaths worldwide, gastric cancer represents one of the most common malignant tumors. Due to its high frequency, it is considered a public health problem in many countries. This neoplasm is multifactorial; among the factors that increase the risk of suffering it are atrophic gastritis, intestinal metaplasia and dysplasia, obesity, low consumption of fruits and vegetables, among others. An analytical cross-sectional study was carried out in a public hospital in Peru to determine the relationship between the aforementioned factors in relation to gastric cancer.