Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest was obtained . The left lower lobe opacity is seen , worrisome for pneumonia . There is blunting of the left costophrenic angle and there may be an associated pleural effusion . The cardiac silhouette is top normal to mildly enlarged . Mediastinal contours are unremarkable . There is no pneumothorax .
    OUTPUT:
    
Patchy left lower lobe consolidation worrisome for pneumonia with possible associated small pleural effusion .