Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ , multifocal bilateral opacities are improved , left greater than right , with mild bibasilar atelectasis . Lung volumes are somewhat low , but not significantly changed since prior exams . No new definite opacity is seen . The heart is top normal in size . No pleural effusions or pneumothorax . A calcified left thyroid nodule is again noted . Right PIC line is identified with the tip in the right atrium .
    OUTPUT:
    
1 . Multifocal pneumonia is improved . 2 . The tip of the PICC line projects over the right atrium . 2 repositioned at the cavoatrial junction , the line needs to be pulled back by approximately 1 - 2 cm .