Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right mid lung opacity laterally is unchanged over multiple prior scans although not present in ___ . The lungs are otherwise clear without consolidation or large effusion . Cardiomegaly is again seen . Intra-atrial device and left chest wall dual lead pacing device are also noted . No acute osseous abnormalities .
    OUTPUT:
    
Cardiomegaly without acute cardiopulmonary process . The right parenchymal opacity laterally seen dating back to ___ but not present in ___ , potentially scarring although continued followup by nonurgent chest CT would be advised as underlying lesion is not excluded .