Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right pectoral MediPort terminates at the junction of the right subclavian and brachiocephalic veins , unchanged . Lung volumes are low . There is no new consolidation or pleural effusion . There is no pneumothorax . The heart and mediastinum are magnified by the projection .
    OUTPUT:
    
Assessment limited by low lung volumes and vascular crowding . A repeat exam including PA and lateral views with attention to inspiratory effort is suggested if feasible .