Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Linear opacity projecting over the right mid lung likely represents atelectasis . The visualized portions of the cardiac and mediastinal silhouettes appear normal . No pleural effusion or pneumothorax is detected on this single view . Pulmonary vascular engorgement is noted . Pacing hardware appears similarly positioned compared to prior .
    OUTPUT:
    
Pulmonary vascular engorgement without radiographic evidence for pneumonia on this single frontal view .