Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . This results in crowding of the bronchovascular structures . There may be mild pulmonary vascular congestion . The heart size is borderline enlarged . The mediastinal and hilar contours are relatively unremarkable . Innumerable nodules are demonstrated in both lungs , more pronounced in the left upper and lower lung fields compatible with metastatic disease . No new focal consolidation , pleural effusion or pneumothorax is seen , with chronic elevation of right hemidiaphragm again seen . The patient is status post right lower lobectomy . Rib deformities within the right hemithorax is compatible with prior postsurgical changes .
    OUTPUT:
    
Innumerable pulmonary metastases . Possible mild pulmonary vascular congestion . Low lung volumes .