Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right PICC tip remains within the upper SVC . Mild enlargement of the cardiac silhouette is similar compared to the previous study . Mediastinal and hilar contours are unchanged . Streaky opacities within the lung bases persist , though appear slightly improved compared to the prior exam likely reflecting improving atelectasis . Small bilateral pleural effusions are noted on the lateral view . The pulmonary vasculature is not engorged . No pneumothorax or acute osseous abnormalities demonstrated .
    OUTPUT:
    
Streaky opacities in the lung bases are slightly improved from the prior exam and likely reflect atelectasis . Small bilateral pleural effusions .