Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . A thin curvilinear radiodense line projects over the right apex , and mediastinum and appears to form a loop in the region of the right atrium . This may represent an external pacer . The cardiac size is minimally enlarged . The azygos vein is prominent and there is congestion of the vascular pedicle . The pulmonary vessels are enlarged and ill - defined suggesting mild to moderate pulmonary edema left greater than right . Platelike atelectasis is noted at the left lower lobe . There is no apical pneumothorax or large pleural effusion .
    OUTPUT:
    
1 . Minimally enlarged cardiac silhouette with mild to moderate pulmonary edema left greater than right . 2 . Left lower lobe platelike atelectasis .