[Lung and pleural involvement in lymphosarcoma].

The pulmonary-pleural syndrome is often encountered in practice as a manifestation of lymphosarcoma that may be suspected on the basis of "atypical" pneumonia characterized by relapses and tendencies towards bilateral polysegmental lesions with the involvement into the process of the intrathoracic lymph nodes of complicated by hemorrhagic pleurisy, with the presence of pronounced alterations on the part of the blood in the form of anemia and lymphocytosis. Biopsy of an enlarged peripheral lymph node is the only reliable method of verification of lymphosarcoma diagnosis.