Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right internal jugular central venous catheter tip terminates in the mid SVC . No pneumothorax . Heart size is normal . Mediastinal contour is unremarkable . There is been interval development of perihilar haziness and vascular indistinctness compatible with mild interstitial pulmonary edema . No focal consolidation or large pleural effusion is identified . No acute osseous abnormalities seen .
    OUTPUT:
    
1 . Right internal jugular central venous catheter tip in the mid SVC . No pneumothorax . 2 . Interval development of mild interstitial pulmonary edema .