Figure 10a. Non-Hodgkin lymphoma in a 66-year-old man. (a) CT scan obtained at the level of the great vessels shows bilateral axillary, right paratracheal (white arrow), left internal mammary (black arrow), and anterior mediastinal (arrowhead) nodes. (b) CT scan obtained at the level of the main pulmonary artery shows a left internal mammary node. Right hilar (arrow) and subcarinal (arrowhead) lymphadenopathy and bilateral pleural effusions are also present. (c) CT scan obtained at the level of the interventricular septum shows enlarged pericardial fat nodes (black arrow). Soft tissue in the extrapleural space (white arrows) and bilateral pleural effusions are also present.