Common single-base insertions in the VNTR of the carboxyl ester lipase (CEL) gene are benign and also likely to arise somatically in the exocrine pancreas.
Brekke RS, Gravdal A, El Jellas K, Curry GE, Lin J, Wilhelm SJ, Steine SJ, Mas E, Johansson S, Lowe ME, et al. Hum Mol Genet. 2024 May 18; 33(11):1001-1014.