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Bronchial fistula is one of the most serious complications after pulmonary resection. It presents a challenge in terms of treatment, with a high risk of perioperative mortality. We describe a patient who underwent a right upper lobectomy and systematic hilar-mediastinal lymphadenectomy for lung adenocarcinoma complicated by 2 bronchopleural fistulas. The lesions were sited at the upper lobar stump and the pars membranacea of the intermediate bronchus. The patient was successfully treated by placement of an endobronchial prosthesis (initially a self-expanding prosthesis and subsequently, a Dumon prosthesis) and a pleural chest drain, to avoid a potential right pneumonectomy.

The congenital thymic cysts are rare. They have a congenital origin and they are benign. The differential diagnosis of acquired cysts, cystic thymoma and thymic malignancies in cystic degeneration can be particularly difficult. Rarely, they assume clinical relevance for the appearance of symptoms of compression, more typical of malignant lesions, and the association with thymoma was reported in very few cases in literature. For all these features, treatment strategy remains controversial and in particular surgical approach. We report a case of a huge symptomatic congenital thymic cyst, surgically removed with histological finding of microscopic thymoma.