An unusual case of tracheo-pleural fistula and cardiac metastases in oropharyngeal carcinoma: a case report and review of the literature. - Ferrari D; Codecà C; Viale G; Bocci B; Broggio F; Crepaldi F; Violati M; Luciani A; Bauer D; Moneghini L; Bulfamante G; Foa P (Cancers of the head & neck, 2016)