Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the chest radiograph obtained 1 day prior , no significant changes are appreciated . Support devices are appropriately positioned . Lung volumes are low . There are probably left greater than right small pleural effusions with adjacent atelectasis . Moderate cardiomegaly is unchanged . No obvious pulmonary vascular congestion . No pulmonary edema . Calcified mediastinal and hilar lymph nodes are unchanged .
    OUTPUT:
    
No significant changes since radiograph 1 day prior .