The joint probability of the occurrence of both mesothelioma and OM in the same individual by chance has been estimated as 36 per trillion per year by Testa et al. [3] In that study, the authors found germline BAP1 mutations in 2 of 26 patients diagnosed with mesothelioma and both patients were previously diagnosed with uveal melanoma. Here, BAP1 is linked to mesothelioma.