Imaging Case of the Week 174

The following abdominal x-rays are from a 79 year old with abdominal distension, pain and vomiting. What can be seen?

What triad is associated with the condition?

 

Supine abdominal x-ray

Erect abdominal x-ray

supine abdominal x-ray 2

 

Answer will be posted on 14/10/2015.