You assess an elderly patient with abdominal pain. Vital sig…

You assess an elderly patient with abdominal pain. Vital signs are within normal ranges, abdominal pain in the lower midline area of the epigastrium, denial of chest pain, no bowel movements for several days, and the patient is taking several medications, including Morphine and Vicodin for arthritis. What would the MOST probable field impression be for this patient?