Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly is stable . The mediastinal and hilar contours are also stable . There is no pneumothorax or pleural effusion . Lungs are well - expanded . New medial right base opacity is noted , which may reflect pneumonia in the correct clinical setting . The upper abdomen is unremarkable . Chronic degenerative changes of the left shoulder with areas of ossification are noted .
    OUTPUT:
    
New medial right lower lobe opacity , concerning for pneumonia .