Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal AP and lateral views of the chest were obtained . Opacity in the medial right lower lobe and medial left lower lobe are new from ___ . There is a small right , and possibly left , pleural effusion . Linear atelectasis at the left lung base is unchanged . The upper lung zones are clear . There is no pneumothorax . Cardiac and mediastinal silhouettes and hilar contours are stable . No acute osseous abnormality is identified . Pulmonary vasculature is slightly indistinct , which may be due to pulmonary vascular congesion .
    OUTPUT:
    
1 . New lateral opacities are likely atelectasis , but infection or aspiration can not be excluded . Small right and possibly left , pleural effusions . 2 . Possible pulmonary vascular congestion . Preliminary findings discussed with Dr . ___ by phone at 7 :20 p .m . , ___ .