Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is slight increased opacity at the right lung base which could be due to atelectasis . No pleural effusion or pneumothorax is seen . Cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Slight increase in right base opacity , likely atelectasis . However , in the appropriate clinical setting , early consolidation is not excluded .