Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral chest radiographs were obtained . Small right effusion and right basilar opacity is similar to prior . Left retrocardiac opacity is slightly improved , but there is a new airspace consolidation in the lingula , partly obscuring the left heart border . Cardiomegaly is mild . The tip of a right PICC line terminates at the cavoatrial junction . A single pacing lead is in the expected position .
    OUTPUT:
    
New lingular opacity is concerning for developing pneumonia in the appropriate clinical setting .