Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Airspace opacities within the left lower lobe and lingula obscuring the left hemidiaphragm and left heart border , respectively . There is a probable superimposed small - moderate left pleural effusion . Streaky right basilar opacities likely reflect atelectasis . The cardiomediastinal silhouette is within normal limits . Possible calcified left hilar node is noted . No acute osseous abnormalities are detected .
    OUTPUT:
    
1 . Left base opacity silhouetting the hemidiaphragm likely due to a combination of consolidation in the setting of infection with superimposed effusion . 2 . Streaky right basilar opacities , may reflect pneumonia or atelectasis .