Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild to moderate cardiomegaly is stable from the prior examination . There is a small to moderate left pleural effusion , decreased from the prior examination done at 08 :37 . There has been an interval decrease in adjacent left basal atelectasis . The right lung is clear . No evidence of pneumothorax . Marked thoracolumbar dextroscoliosis is unchanged .
    OUTPUT:
    
Mild to moderate left pleural effusion is decreased in size from the prior exam has as is adjacent left basal atelectasis . No evidence of pneumothorax .