Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiograph demonstrate a right chest port , its tip which projects within the upper superior vena cava , unchanged in position relative to prior study . Median sternotomy wires appear intact . Cardiomediastinal silhouette appears stable relative to prior examination . Heart size is mildly enlarged . There is no evidence of pulmonary edema . Nodular opacities within the in right infrahilar region likely reflect vascular shadows . Lung volumes are low . Bibasilar atelectasis is moderate . There is no focal opacity convincing for infectious process . Calcification on the AP window could be due to calcified nodes . No large pleural effusion or pneumothorax is identified .
    OUTPUT:
    
Overall stable appearance of the chest with low lung volumes and basilar atelectasis .