Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Vague opacities again project over the mid lungs bilaterally which had been present on prior and are suggestive of overlying calcified pleural plaques . Elsewhere , the lungs are clear . Moderate cardiac enlargement as well as left chest wall dual lead pacing device and median sternotomy wires and mediastinal clips are again noted . No acute osseous abnormalities .
    OUTPUT:
    
No definite acute cardiopulmonary process . Probable calcified pleural plaques .