Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low causing crowding of the bronchovascular structures . The lungs are clear without focal consolidation , pleural effusion or pneumothorax . There is no pulmonary edema . The heart is normal in size . Fullness in a right paratracheal region of the mediastinum has been present since since at least ___ and could represent persistent adenopathy or mediastinal fat deposition .
    OUTPUT:
    
No acute cardiopulmonary process .