Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is vague suggestion of increased opacification in the right middle lobe although of the right heart border is sharp . The finding may suggest developing pneumonia in correct clinical setting . Moderate cardiomegaly is unchanged . Mediastinal and hilar silhouette are normal size .
    OUTPUT:
    
There is vague opacification in the right middle lobe , which may suggest developing pneumonia in the correct clinical setting .