The final diagnosis was invasive ductal carcinoma that was poorly differentiated and associated with type 1 autoimmune pancreatitis; pancreatic ductal adenocarcinoma (PDAC), Ptb, TS3 (28 × 20 × 52 mm), nodular, ductal adenocarcinoma, pT3, int, INFb, ly0, v2, ne3, mpd1 (10 mm), pCHX, pDUX, pS1(serosa), pRP1, pPV1(PVsp), pA1(Asp1), pN0 (0/18), pM0, pStageIIB (JPS 8th ed) and pT3, pN0, pM0, pStage IIA (UICC 8th ed). This evidence concerns the gene MYH7 and invasive ductal breast carcinoma.