Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is blunting of the left costophrenic angle which may be due to a trace pleural effusion . Right upper lobe chain sutures are again seen . Patchy opacity projecting over the lateral left mid lung is new since prior , and raises concern for infection / pneumonia . Additional opacity projecting over the medial right lung base is more prominent as compared to prior , and could represent additional site of infection with overlapping vascular structures . Cardiomegaly is unchanged from prior exam . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
Patchy opacity projecting over the lateral left mid lung is new since prior , and raises concern for infection / pneumonia . Additional opacity projecting over the medial right lung base is more prominent as compared to prior , and could represent additional site of infection with overlapping vascular structures .