Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Confluent opacity with suggestion of air bronchogram projecting over the right apex on this single frontal view could represent infection or pleural abnormality . The remaining visualized lungs are essentially clear . The heart is top - normal in size . The mediastinum is not widened . No edema or pleural effusion . No acute osseous abnormality .
    OUTPUT:
    
Nonspecific opacity projecting over the right apex .