MYH7 and invasive ductal breast carcinoma: The final diagnosis was moderately differentiated invasive ductal carcinoma associated with type 1 AIP; PDAC, Pb, TS2 (10 × 20 × 20 mm), nodular type, pT1c, int, INFb, ly0, v1a, ne0, mpd1 (5 mm), pCHX, pDUX, pS0, pRP0, pPV0, pA0, pN0 (0/35), pM0, pStage IA (JPS 8th ed).