Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bibasilar linear atelectasis is seen . No focal consolidation , pleural effusion , pneumothorax , or pulmonary edema is seen on this single view . Heart and mediastinal contours are within normal limits . Tubular density projecting over the right heart likely corresponds to coronary artery stent .
    OUTPUT:
    
No radiographic evidence for acute cardiopulmonary process .