Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . The heart is mildly enlarged . There are moderate atherosclerotic calcifications throughout the aorta . There is mild central pulmonary vascular congestion and edema , witha small left pleural effusion . There is no pneumothorax . Bibasilar linear opacities likely reflect atelectasis , however , underlying consolidations can not be excluded .
    OUTPUT:
    
1 . Bibasilar opacities , likely reflecting atelectasis , however , underlying consolidations can not be excluded . 2 . Mild pulmonary vascular congestion and edema , with a small left pleural effusion .