Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Evaluation is limited due to underpenetration and low lung volumes . AICD again seen overlying the left chest wall with leads extending to the region the right atrium and right ventricle . Midline sternotomy wires noted . Cardiomediastinal silhouette remains prominent . Subtle increased opacities in the lungs could reflect underpenetration though mild edema difficult to exclude . No large effusion or pneumothorax . No acute bony abnormalities .
    OUTPUT:
    
Possible mild edema . Stable cardiomegaly .