Median latency for MM detection after initial asbestos exposure was 29.6 weeks for Ink4a;Arf(+/−), 34.6 weeks for Ink4a(+/−), 38.0 weeks for Arf(+/−), and 49.4 weeks for wild-type mice. The gene discussed is CDKN2A; the disease is Miyoshi myopathy.