BCL2L1 and esophageal cancer: A previous study found that miR‐124 suppressed STAT3 in esophageal cancer cells and at the same time suppressed the downstream genes of STAT3, including B‐cell lymphoma‐extra large (Bcl‐xl) and matrix metalloproteinase 9, resulting in induction of cell apoptosis and suppression of cell invasion 20.