Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP single view of the chest shows persistent low lung volume with interval increase of right base opacification concerning for pneumonia . Left base opacity is stable , likely due to atelectasis . New small right pleural effusion . No left pleural effusion . There is no pneumothorax . Mild vascular congestion . Heart size is normal .
    OUTPUT:
    
Right lower lobe pneumonia and new right pleural effusion . Stable left base atelectasis . Findings were reported to Dr ___ ___ at 11 :36 am by Dr ___