Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Chest tube overlies the base of the right lung as before . There is a small right pleural effusion and adjacent pulmonary opacity at the right base which may reflect atelectasis or infection , minimally increased from prior . Multiple rounded opacities throughout both lungs are consistent with known pulmonary nodules , better appreciated on recent CT . The cardiomediastinal and hilar contours are stable . The left lung is clear .
    OUTPUT:
    
Overall similar to prior with minimal increase in right lower lung opacity .