Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest radiograph was obtained . The lungs are clear bilaterally . Prominent epicardial fat pad accounts for the opacity at the left heart border inferiorly . No pleural effusion or pneumothorax is seen , though the left CP angle is partially excluded . Cardiomediastinal silhouette appears stable . Patient is known to have mediastinal lymphadenopathy due to Hodgkin 's lymphoma and overall appearance of the mediastinum is stable - to - slightly less thickened along the right paratracheal stripe . Bony structures appear intact . No pneumothorax or pneumomediastinum .
    OUTPUT:
    
No pneumonia or other acute process in the chest . Mediastinal prominence is compatible with known lymphadenopathy in the setting of lymphoma .