Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ , an asymmetrical opacity is seen in the right lower lung , concerning for pneumonia . The left lung is clear . The cardiac mediastinal silhouette , hilar contours , pleural surfaces are normal . No pneumothorax or pleural effusion .
    OUTPUT:
    
1 . An asymmetric opacity is noted in the right lower lung , concerning for pneumonia .