Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a persistent right - sided pleural effusion . Linear platelike atelectasis is identified at the right lung base and also at the left costophrenic angle . Superiorly , the lungs are clear . There is no edema or pneumothorax . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
Persistent right - sided pleural effusion with platelike atelectasis . Please note that superimposed infection can not be entirely excluded however overall appearance is similar compared to priors .