COL11A1/procollagen 11A1 expression is mostly absent in benign inflammatory processes such as breast sclerosing adenosis [16, 54], chronic pancreatitis [41], and diverticulitis (our own observations; data not shown), and is rather low in familial adenomatosis polyposis adenomas [1, 2]. This evidence concerns the gene COL11A1 and chronic pancreatitis.