Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patchy right lower lobe opacity is seen , as well as a second focus in the right mid lung zone , which may be due to atelectasis ; however , underlying consolidation is not excluded . This finding is new compared to the prior study . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Increased opacity at the right lung base is nonspecific , appears more prominent as compared to the prior study and could be due to atelectasis , although underlying infection is not excluded in the appropriate clinical setting . PA and lateral views may be helpful for further and better evaluation .