Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP chest radiograph . Left - sided pectoral pacemaker leads are in stable position . Right - sided PICC tip is in the upper SVC . Moderate interstitial pulmonary edema and cardiomegaly are noted . Bilateral pleural effusions are small - to - moderate and involve the major fissure on the right . Left upper lobe opacity is new from prior radiographs . There is no pneumothorax .
    OUTPUT:
    
Moderate interstitial pulmonary edema . Left upper lobe opacity is concerning for superimposed infection .