Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate interval removal of a right pleural drain . Mild cardiomegaly is unchanged . The left pleural effusion is decreased . The lungs are clear and there is no pneumothorax . Residual barium from a recent esophagram is noted .
    OUTPUT:
    
No pneumothorax . The left pleural effusion is decreased .