DMP1 and adenocarcinoma: These Dmp1-null mice spontaneously developed pulmonary adenomas/adeno-carcinomas (42%), vascular tumors (hemangiomas and hemangiosarcomas) (24%), liver tumors (hepatocellular adenomas/adenocarcinomas) (18%) and B-cell lymphomas (15%) (Inoue et al. 2001; Fig. 2).