Mass screening of gastro-intestinal tract to detect carcinoma of stomach.
D000328:Adult; D000368:Aged; D004938:Esophageal Neoplasms / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007194:India; D007414:Intestinal Neoplasms / Q000453:epidemiology*; D008297:Male; D008403:Mass Screening; D008875:Middle Aged; D013274:Stomach Neoplasms / Q000453:epidemiology*