Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate enlargement of the cardiac silhouette is unchanged . The aorta is mildly tortuous with atherosclerotic calcifications noted at the aortic knob . Mild pulmonary vascular congestion is demonstrated , as seen previously . Streaky opacities within the lung bases are present without focal consolidation . No large pleural effusion or pneumothorax is detected . Surgical anchors are re - demonstrated in the left femoral head .
    OUTPUT:
    
Mild pulmonary vascular congestion with streaky bibasilar opacities , likely atelectasis .