Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right lung mass measuring 6 .6 cm is unchanged . Right moderate pleural effusion is reaccumulating ; the right chest tube still projects at the lung base . Mild left basilar opacification is unchanged since ___ and could only reflect atelectasis . There is no pneumothorax . Mediastinal and cardiac mild enlargement is unchanged .
    OUTPUT:
    
1 . Moderate right pleural effusion is reaccumulating . 2 . Unchanged mild left basal opacification likely due to atelectasis , unchanged since ___ .