LMO4 is overexpressed, in addition, in alveolar rhabdomyosarcoma [12] and carcinoma of the breast [5, 6, 13, 14], and all three remaining LIM-only family members, LMO1, LMO2, and LMO3, may also be oncoproteins. The gene discussed is PDLIM5; the disease is breast carcinoma.