Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: This patient is known for a chronic interstitial lung disease as shown in the previous CT scan . However , there are additional interstitial opacities that suggest a superimposed moderate pulmonary interstitial edema . The cardiac contour is mildly enlarged . There is no pleural effusion . The right jugular catheter is in adequate position .
    OUTPUT:
    
The patient has a mild chronic interstitial lung disease . There is a superimposed moderate interstitial pulmonary edema that has not changed significantly since the previous exam .