Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . Recently reported right middle lobe pneumonia has nearly resolved with only a residual linear opacity in this region . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
Essential resolution of right middle lobe pneumonia with residual focus of linear atelectasis or scarring . .