Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal contours are normal . The lungs are clear . There is no pneumothorax The osseous structures are unremarkable there i there is also visualized on the lateral exam . This may represent an area of volume loss or early infiltrate . S a small area of increased opacity at the left CP angle . This is more prominent than on the prior study
    OUTPUT:
    
Small area of opacity at the left CP angle which is new compared to ___