Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiograph demonstrates moderate left - sided pleural effusion which does not appear to be freely layering . The right lung is grossly clear . There is a left lower lobe consolidation most likely atelectasis . There is no pneumothorax . Heart size is top normal . Hilar and mediastinal contour is within normal limits .
    OUTPUT:
    
Moderate left - sided pleural effusion of freely layering .