Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patchy right upper lung opacity seen on the frontal view is worrisome for pneumonia . The left lung is clear . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Patchy right upper lung opacity seen on the frontal view , worrisome for pneumonia .