Loss of expression of BAP1 is a useful adjunct, which strongly…

Loss of expression of BAP1 is a useful adjunct, which strongly…

Correspondence: Dr AJ Gill, MD, FRCPA, Department of Anatomical Pathology, Royal North Shore Hospital, Pacific Highway, Sydney 2065, NSW, Australia. E-mail: affgill@med.usyd.edu.au Although most mesotheliomas present with pleural effusions, it is controversial whether mesothelioma can be diagnosed with confidence in effusion cytology.