Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal contours are normal . Paraspinal rounded opacity inferior to the right hilum is of unclear etiology and warrants further evaluation with CT . Otherwise the lungs are clear . There is no pneumothorax or pleural effusion . The osseous structures are unremarkable
    OUTPUT:
    
Paraspinal rounded opacity inferior to the right hilum is of unclear etiology and warrants further evaluation with CT