Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size appears top - normal , and slightly increased in size compared to the prior exam . The aorta is mildly tortuous . Ill - defined opacities are noted within the right lung particularly within the right mid and lower lung fields , highly concerning for pneumonia . Left lung is grossly clear . No pleural effusion or pneumothorax is present . Pulmonary vascularity is not engorged .
    OUTPUT:
    
Findings concerning for pneumonia within the right lung base and right mid lung field .