what causes median arcuate ligament syndrome
Introduction. Median arcuate ligament syndrome (MALS) or celiac axis compression syndrome (CACS) is an uncommon condition caused by the external compression of the celiac trunk by the median arcuate ligament (Figure 1). This symptom involves abdominal pain, nausea, vomiting, and weight loss.. Median arcuate ligament syndrome (MALS) or celiac axis compression syndrome (CACS) is an uncommon condition caused by the external compression of the celiac trunk by the median arcuate ligament (Figure 1). This symptom involves abdominal pain, nausea, vomiting, and weight loss.