 [ Symptoms ] i had melingtis when i was a baby and i was wondering if there are any effects that i could have 18yrs on i also suffer with really bad back pain when it is the time of the month i was wondering if you can help me [ Disease ] if the upper and lower endoscopy were performed properly then the risk of colon rectal esophageal or gastric stomach cancer should be extremely low since these flexible scopes cannot reach the small intestines however capsule endoscopy seems appropriate as a next step most of the time loss of blood in the gi tract of young people is the result of benign conditions although cancer must always be considered and ruled out i hope that the cause for your sister is symptoms will be identified soon and that it will turn out not to be a life threatening illness sincerely robert a wascher md facs