Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Mediastinal and hilar contours are within normal limits . Pulmonary vasculature is normal . There is a small left pleural effusion in a tiny right pleural effusion . Left lower lobe opacity likely reflects compressive atelectasis . Right lung is clear . No pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
Small bilateral pleural effusions , larger on the left . Left lower lobe patchy opacity is likely atelectasis .