Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal with mild unfolding of the thoracic aortic arch . Cardiomediastinal silhouette and hilar contours are otherwise unremarkable . There is an ill - defined right middle lobe consolidation with adjacent pleural thickening . Left lung is clear . Pleural surfaces are clear without effusion or pneumothorax . Moderate thoracic degenerative changes are noted .
    OUTPUT:
    
Right middle lobe pneumonia .