Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild right pleural effusion is unchanged from previous chest radiograph , and associated atelectasis is seen . No consolidation or pulmonary edema is seen , and the cardiac and mediastinal contours are normal . Right apical chain of surgical clips is seen . Right chest tube is unchanged in position in the right base . Left PICC line ends at the cavoatrial junction . No pneumothorax is visualized .
    OUTPUT:
    
Unchanged right pleural effusion and associated atelectasis .