wall laxity, peritoneal adhesions, abdominal trauma, [10] rapid linear adolescent growth spurt, weight loss, starvation, catabolic states (as with cancer and burns ), and
[en.wikipedia.org]
[…] of the following: poor motility of the digestive tract, [3] retroperitional tumors, loss of appetite, malabsorption, cachexia, exaggerated lumbar lordosis, visceroptosis, abdominal
[en.wikipedia.org]