Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right PICC tip terminates at the junction of the SVC and right atrium , not substantially changed from the previous study . Heart size remains mildly enlarged . The mediastinal and hilar contours are within normal limits . Streaky opacities in the lung bases , more pronounced on the left , likely reflect atelectasis . There may be a tiny left pleural effusion , not substantially changed in the interval , with resolution of the previously noted right pleural effusion . No pneumothorax is identified . There are no acute osseous abnormalities .
    OUTPUT:
    
1 . Right PICC tip terminates at the SVC / right atrial junction . 2 . Bibasilar atelectasis and unchanged tiny left pleural effusion . Previously noted small right pleural effusion has resolved .