Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are normal . There is no pleural effusion or pneumothorax . Lung volumes are low , but there is no focal consolidation concerning for pneumonia . New right middle lobe opacities located medially and giving the decrease in the position of the minor fissure might represent atelectasis potentially of right middle lobe or of right lower lobe . No other focal consolidations demonstrated . Pulmonary vasculature is within normal limits . The upper abdomen is unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process . New atelectasis of most likely right middle lobe ( less likely right lower lobe ) . No definitive consolidation to suggest infection demonstrated .