Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs obtained . Heart is normal size and cardiomediastinal contours are unremarkable except for tortuousity of thoracic aorta . Since the examination of ___ the pulmonary vascular congestion that was noted has improved . However , there is new increased opacity in the left retrocardiac region that is consistent with atelectasis and / or consolidation . Minimal right basilar atelectasis is slightly increased . Remainder of right lung is clear . A 9 - mm left upper lobe ground - glass nodule seen on the previous CT can not be appreciated on a radiograph . No pleural effusions . No pneumothorax .
    OUTPUT:
    
New left basilar opacity consistent with atelectasis or consolidation ; slight increase in mild right basilar atelectasis . Previously seen pulmonary vascular congestion has improved .