LOXL2 and esophageal squamous cell carcinoma: Lysyl oxidase‐like 2 (LOXL2), a copper‐dependent amine oxidase known to initiate cross‐linking of collagen and elastin, induces desmoplastic stroma, fibrosis, dedifferentiation, and tumor progression in several solid cancers, including in ESCC 6, 34, 35.