Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are within normal limits . Linear left basal atelectasis is seen . There is mild peribronchial cuffing indicative of mild pulmonary edema . Small left pleural effusion is seen . No pneumothorax is seen . Mild deformity of the right clavicle , scapula and multiple right - sided ribs with bridging ossification , likely relate to prior trauma .
    OUTPUT:
    
Small right pleural effusion and mild pulmonary edema .