Fig. 12From: A diagnostic approach to the mediastinal massesA cystic lymphangioma (also referred to as hygroma) in a 47-year-old woman with retroperitoneal disease. A posterior mediastinal mass with a homogeneous fluid-attenuation is identified on CT (white arrow) and on posteroanterior chest radiograph as a mass disrupting left paraspinal line inferiorly (black arrows)Back to article page