Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable view of the chest . A left - sided PICC ends in the distal SVC . Heart size is at least top normal . The mediastinal contours are unchanged . There is increase in pulmonary vascular congestion . There are bibasilar opacities , left greater than right , that may represent pneumonia or atelectasis . No pneumothorax . Probable small left pleural effusion .
    OUTPUT:
    
Mild pulmonary vascular congestion . Bibasilar opacities , left greater than right , may represent pneumonia or atelectasis . Probable small left pleural effusion .