Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is a moderate right pleural effusion with overlying atelectasis . Right base opacity may relate to combination of pleural effusion and atelectasis , although underlying consolidation is not excluded . The left lung is essentially clear . No left pleural effusion is seen . Cardiac and mediastinal silhouettes are unremarkable although the right cardiac silhouette is not well seen due to the right basilar atelectasis .
    OUTPUT:
    
Moderate right pleural effusion with overlying atelectasis , right basilar consolidation not excluded .