Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The left Port - A - Cath terminates in mid SVC . The lung volume is small . Diffuse interstitial opacities are grossly unchanged compared to prior likely representing scarring . No obvious new consolidation . No pleural effusion or pneumothorax . Moderate cardiomegaly is unchanged . The mediastinal silhouette is grossly unchanged .
    OUTPUT:
    
No acute cardiopulmonary process . Stable diffuse parenchymal scarring .