TGFBR3, a receptor for TGF‐β, is implicated in various cancers, including breast cancer, melanoma, prostate cancer, pancreatic cancer, colon cancer, multiple myeloma, neuroblastoma, ovarian cancer, endometrial cancer, and lung cancer.34, 35, 36, 37, 38. Here, TGFBR3 is linked to AL amyloidosis.