Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Elevation of the right hemidiaphragm is chronic . The cardiac silhouette size is normal . Mediastinal and hilar contours are unremarkable . The pulmonary vascularity is not engorged . Trace right pleural effusion is unchanged . No left sided pleural effusion or pneumothorax is seen . There is minimal streaky opacity in the left lung base likely reflective of atelectasis . No pulmonary edema is present . There are no acute osseous abnormalities .
    OUTPUT:
    
Minimal left basilar patchy opacity likely reflecting atelectasis . Chronic small right pleural effusion and elevation of the right hemidiaphragm .