AdvancementAlumni Annual ReportAlumni NewsMedicineNews HighlightsStony Brook Matters Creating Excellence in Care When Long Island pathologist David Elkowitz, DO, was referred to Stony Brookâs Henry Tannous, MD, for a cancerous mass surrounding many vessels and organs in his chest, Elkowitz had little reason to be hopeful. The... December 20, 20212 min read