Cancer of the gastrointestinal tract. Comment: Early detection.
D001284:Atrophy; D004812:Epidemiologic Methods; D005756:Gastritis / Q000175:diagnosis; D006801:Humans; D011230:Precancerous Conditions / Q000175:diagnosis; D012075:Remission, Spontaneous; D013274:Stomach Neoplasms / Q000175:diagnosis* / Q000601:surgery; D013997:Time Factors