Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate small right basal and apical pleural effusions . There is a small amount of atelectasis at the right base . There is persistent collapse of the right upper lobe secondary to radiotherapy . The cardiomediastinal and hilar contours are unchanged . There is no pneumothorax .
    OUTPUT:
    
Small right basal and apical pleural effusions and small amount of atelectasis at the right base .