Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is hazy density overlying the right upper and mid lung fields , consistent with right upper lobe collapse , with better aeration at the right lung base . The right hemidiaphragm is newly elevated compared to the prior chest radiograph , indicative of increased volume loss . The left lung is essentially clear . There is no pneumothorax or large pleural effusion . The cardiomediastinal contours are stable . The upper abdomen is unremarkable .
    OUTPUT:
    
New right upper lobe collapse . Known pulmonary lesion is better assessed on recent cross - sectional imaging .