People who have been treated with radiotherapy for pelvic and other abdominal cancers frequently develop gastrointestinal symptoms. These include: * rectal bleeding * diarrhea and steatorrhea * other defecation disorders including fecal urgency and incontinence. * nutritional deficiencies and weight loss * abdominal pain and bloating * nausea, vomiting and fatigue Gastrointestinal symptoms are often found together with those in other systems including genitourinary disorders and sexual dysfunction. The burden of symptoms substantially impairs the patients' quality of life. Nausea, vomiting, fatigue, and diarrhea may happen early during the course of radiotherapy.<unk>  represents the longer-term, chronic effects that may be found after a latent period most commonly of 6 months to 3 years after the end of treatment. In some cases, it does not become a problem for 20–30 years after successful curative therapy. Associated conditions * Small intestinal bacterial overgrowth * Exocrine pancreatic insufficiency * Bile acid diarrhea * Urinary urgency * Sexual dysfunction
Radiation enteropathy
Radiation colitis
Chemical colitis
Collagenous colitis
Microscopic colitis
Environmental enteropathy
Lymphocytic colitis
Diversion colitis