PADI4 and bile duct carcinoma: The PADI4 p. Ser496Phe variant was detected in one sample of skin carcinoma, the PADI4 p. Phe602 synonymous variant in two samples of endometrial cancer and one sample of malignant melanoma, and the TP53INP1 p. Ile66Val variant in one sample of carcinoma of the bile duct.