Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs were obtained . Patient is status post extubation and removal of the left PICC line . There is persistent left lower lobe opacification with a large layering pleural effusion . There is also a small right pleural effusion and minimal basilar atelectasis . No pneumothorax or pulmonary edema is seen . The heart size is stable . Mediastinal and hilar contours are unchanged . Multiple left - sided rib fractures are again visualized .
    OUTPUT:
    
Persistent left lower lobe opacification with layering pleural effusion . While this could be atelectasis , supervening pneumonia should be considered in the appropriate clinical setting .