Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post right thoracentesis . The cardio mediastinal and hilar contours are unchanged . There is a persistent moderate right pleural effusion , minimally decreased from the prior exam and adjacent right basal atelectasis . The left lung is clear . There is no evidence of pneumothorax .
    OUTPUT:
    
No evidence of pneumothorax . Persistent moderate right pleural effusion , minimally decreased in size from the prior exam , and adjacent right basilar atelectasis .