Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patchy opacities silhouette the right heart border on the frontal projection and overlie the region of the right middle lobe on the lateral projection , concerning for an infectious process . Minimal left lower lung atelectasis is noted . The heart size is normal . The mediastinal contours are normal . There are no pleural effusions . No pneumothorax is seen .
    OUTPUT:
    
Findings concerning for a right middle lobe pneumonia .