Stein B S, Shea F J
J Urol. 1983 Aug;130(2):362-4. doi: 10.1016/s0022-5347(17)51151-9.
Anterior mediastinal and retroperitoneal lymphadenopathy is rarely clinically evident in patients with metastatic carcinoma of the prostate. We report a case in which the nodal disease was suggestive of the diagnosis of malignant lymphoma. Immunohistochemical stain for prostate specific antigen was useful in assuring the diagnosis.