Projectional radiography ("X-ray") of the abdomen and pelvis:
==Locations=====Large intestine (colon)===
{{Main|X-ray of the large intestine}}
===Small intestine===
On abdominal X-rays, the small intestine is considered to be abnormally dilated when the diameter exceeds 3 cm.<ref name=medscape>{{cite web|url=http://emedicine.medscape.com/article/374962-overview|title=Small-Bowel Obstruction Imaging|website=[[Medscape]]|date=2016-09-22|author=Ali Nawaz Khan|accessdate=2017-02-07}}</ref><ref>{{cite web|url=http://www.radiologymasterclass.co.uk/tutorials/abdo/abdomen_x-ray_abnormalities/pathology_small_bowel_obstruction|title=Abdominal X-ray - Abnormal bowel gas pattern|website=radiologymasterclass.co.uk|accessdate=2017-02-07}}</ref>
==Diseases==
*[[Abdominal X-ray in constipation in children]]
==References==
{{reflist}}