Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided pacer device is again noted with leads terminating in the right atrium and right ventricle . Patient is status post transcatheter aortic valve replacement . Mild enlargement of the cardiac silhouette is re - demonstrated . The aorta remains tortuous , and mediastinal contours are unchanged . Enlargement of the pulmonary arteries bilaterally suggests underlying pulmonary arterial hypertension , unchanged . There is continued right hilar enlargement compatible with underlying mass lesion , with worsening streaky right basilar opacity likely reflecting a combination of mucous plugging and collapse of the right lung base , but superimposed infection is not excluded . Within the lung apices , there is a similar appearance of scarring with bronchiectasis . No pleural effusion or pneumothorax is present . Patient is status post right mastectomy with clips projecting over the right lower chest wall . Loss of height of a mid thoracic vertebral body is unchanged . Chronic left lateral rib fractures are again noted .
    OUTPUT:
    
Similar appearance of right hilar enlargement compatible with underlying mass with worsening streaky right basilar opacification likely reflecting a combination of mucous plugging and atelectasis , but infection is not excluded . Unchanged scarring within the apices bilaterally .