Gastrointestinal (GI) bleeding is a symptom of a disease ... the bleeding Moderate to mild GI bleeds may require upper or lower GI endoscopy, colonoscopy, or flexible sigmoidoscopy to identify ...

The median age of the patients in the low-risk group was significantly lower than that of ... One patient with gastritis by endoscopy died from disseminated (non-upper GI) malignant disease ...

GI bleeding is classified into upper, middle, and lower GI bleeding based on the ... and limited visualization during initial ...