Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided Port - A - Cath is seen with catheter distal tip in the right atrium . There is minimal left lower lobe linear atelectasis / scarring . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . No pulmonary edema . The cardiac silhouette is top normal to mildly enlarged .
    OUTPUT:
    
Top normal to mildly enlarged cardiac silhouette . Minimal left base atelectasis / scarring .