Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post right upper lobectomy and again seen is volume loss in the right hemi thorax . There is a right pleural effusion as well as atelectasis at the right base . The left lung appears clear . The cardiomediastinal silhouette is stable . There are no acute osseous abnormalities identified .
    OUTPUT:
    
Moderate right pleural effusion and right basal atelectasis , increased from the prior study .