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Post-mortem autopsy results. Laryngeal respiratory papillomas with focal squamous metaplasia (A); multiple nodules (B) of well differentiated squamous cell carcinoma (C); shed tumor cells with marked cytologic atypia, reminiscent of respiratory papilloma (D); left atrial thrombus (E) and thromboembolus riding on the aorto-iliacal bifurcation (F); area of endocardial papillomatosis in the left atrium (G, H) as the basis for recurrent thrombosis.
