Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . A moderate - sized left pleural effusion is stable to mildly decreased since ___ . There is left lower lobe atelectasis . The right lung is clear . No focal opacities are seen . There is no pneumothorax . The cardiac and mediastinal contours are normal . A new transesophageal tube ends beneath the diaphragm .
    OUTPUT:
    
Moderate - sized left pleural effusion is stable to mildly decreased in size since ___ with overlying atelectasis