Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patchy right base opacity is seen which could be due to atelectasis although infection is not excluded in the appropriate clinical setting . There is slight blunting of the right costophrenic angle which ___ relate to atelectasis versus trace pleural effusion . No pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable and stable .
    OUTPUT:
    
Patchy , somewhat linear right base opacity most likely due to atelectasis , although infectious process is not excluded in the appropriate clinical setting