<prompt> The advent of refrigeration, that has revolutionized food preservation, has dramatically reduced the incidence of which of the following cancers?EsophagusStomachColonOropharyngeal malignancies  <response>: Ans. b. Stomach Ref: Sabiston 19e p1204-1206; Schwartz 9e p928: Bailey 25e p1067: Schackelford 7e p774The incidence of stomach cancer has decreased dramatically since the early 20th century in countries where refrigeration has replaced other methods of food preservation such as salting, smoking, and pickling. Stomach cancer rates remain high in countries where these processes are still used extensively. stylefont-size: 1.04761904761905em; font-family: Times New Roman, Times, serifstomach-cancerThere is consistent evidence that the risk of gastric cancer is decreased by the presence of a home refrigerator.- Gastrointestinal Oncology262Factors Associated with Increased Risk of Developing Stomach CancerNutritionalMedical Low fat or protein consumptionQ Salted meatQ High nitrate consumptionQ High complex-carbohydrate consumptionQ Prior gastric surgeryQ H. pyloriQ infection Epstein-Barr virusQ Gastric atrophy and gastritisQ Adenomatous polypsQ Male genderQSocialOccupational Low social classQ Rubber workersQ Coal workersQEnvironmentalGenetic factors Poor food preparation smoked, saltedQ Lack of refrigerationQ Poor drinking water well waterQ SmokingQ Blood group AQ Pernicious anemiaQ Family history Hereditary nonpolyposis colon cancerQ Li-Fraumeni syndromeQDecrease risk of carcinoma stomach: Aspirin, Diet high fresh fruit and vegetable intake. Vitamin A and C, calcium, selenium, zinc and ironQ.Alcohol is not a risk factor tor CA stomachQ. 