Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac size is top normal . Right lower lobe opacity is new , could represent atelectasis or pneumonia . There is no pneumothorax or pleural effusion . Left subclavian catheter tip is in the lower SVC . Osseous lesions are better seen in prior CTs
    OUTPUT:
    
Right lower lobe opacities could represent atelectasis or pneumonia