Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiograph demonstrates well inflated clear lungs . Trace left pleural effusion has significantly decreased since previous examination . No right pleural effusion . No pneumothorax . Heart size , mediastinal contour , and hila are unremarkable . Limited assessment of the upper abdomen is within normal limits .
    OUTPUT:
    
1 . Near resolution of left pleural effusion since ___ . 2 . No pneumonia .