Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is mildly enlarged . There is cephalization of pulmonary vascular markings and vascular indistinctness compatible with mild pulmonary vascular congestion . Atherosclerotic calcifications are noted at the aortic knob . Streaky opacities in the lung bases likely reflect atelectasis . No pleural effusion or pneumothorax is seen , and no focal consolidation is present . There is mild prominence of the hila bilaterally .
    OUTPUT:
    
Mild pulmonary vascular engorgement and bibasilar atelectasis .