Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is at the upper limits of normal but similar to prior study . The mediastinal contours again demonstrated a tortuous aorta . There continues to be a moderate left pleural effusion with associated left basilar consolidation . No new consolidation or edema is present . There is no pneumothorax .
    OUTPUT:
    
Moderate left pleural effusion with associated consolidation ; an underlying pneumonia can not be excluded .