[Primary pulmonary lymphoma. A case report and review of the literature].

An 81-year-old non smoking patient is admitted with cough, fever and poor general status. The radiologic evaluation reveals a right parahilar mass, and trans-bronchic biopsy confirms its tumoral nature. Immunohistochemical analysis establishes the diagnosis of high grade primary pulmonary lymphoma. The rare nature of this disease, its non-specific clinical presentation and particular prognosis are discussed in this article.