Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Opacity in the left mid to lower lung raises concern for pneumonia . There may also be a small left pleural effusion . Left apical opacity is again seen , likely combination of pleural thickening and known apical pulmonary nodule . Cardiac and mediastinal silhouettes are stable . Partially imaged cervical hardware is noted .
    OUTPUT:
    
Left lower lobe consolidation , worrisome for pneumonia . Possible small left pleural effusion .