Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval removal of the right - sided pigtail drainage catheter . No pneumothorax . A small to moderate right pleural effusion remains , decreased from ___ . Residual right lower lobe opacity is likely due to atelectasis . Mediastinal contours and cardiac borders are normal . A lateral left upper lobe nodule was better characterized on recent chest CT , which also demonstrated multiple other pulmonary nodules .
    OUTPUT:
    
No pneumothorax . Small 2 moderate right pleural effusion decreased from ___ ___ .