Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low . The heart size is normal . The mediastinal and hilar contours are unremarkable , and there is no pulmonary vascular congestion . Left basilar ill - defined opacity is noted as well as minimal right basilar patchy opacity . Bilateral pleural effusions are identified , small on the left and moderate on the right , with elevation of the right hemidiaphragm seen . There is no pneumothorax . No acute osseous abnormalities detected .
    OUTPUT:
    
1 . Bibasilar patchy opacities likely reflective of atelectasis though infection is not excluded . 2 . Small left and moderate size right bilateral pleural effusions . Elevated right hemidiaphragm .