Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patchy left lower lobe opacity is worrisome for pneumonia . There is additional smaller patchy right base opacity which may be due to second site of infection versus atelectasis . No pleural effusion or pneumothorax is seen . Cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Findings worrisome for multifocal pneumonia , predominantly involving the left lower lobe but also with involvement of the right lower lobe . Recommend followup to resolution of these findings .