Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low , but similar to prior exams . Bilateral focal opacities appear overall similar and may correspond to known metastatic pulmonary disease , although new focal consolidation or lesion can not be definitely excluded . The left lateral pneumothorax persists and is overall unchanged from ___ . The left - sided lateral pigtail chest tube and appears unchanged in position projecting over lower left hemithorax . The right chest tube also appears unchanged in position projecting over the right lung base , and does not appear to lie within the effusion . Right pleural effusion and pleural thickening is overall unchanged . The right Port - A - Cath terminates in the region of the cavoatrial junction . The biliary stent appears patent and unchanged in position in the right upper quadrant .
    OUTPUT:
    
1 . Overall stable moderate left lateral pleural effusion despite the presence of a chest tube since ___ . 2 . Stable small right pleural effusion - chest tube tip is unchanged in position but does not appear to lung within the effusion .