Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided Port - A - Cath tip terminates at the confluence of the brachiocephalic veins . The heart size is normal . A large hiatal hernia is demonstrated , as noted on the prior CT . The mediastinal and hilar contours are otherwise unremarkable with calcification of the aortic arch again noted . The pulmonary vascularity is normal . Lungs are clear without focal consolidation . Previously demonstrated pulmonary nodules in the right upper lobe on CT are not clearly seen on the current exam due to their small size . No pleural effusion or pneumothorax is identified . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Large hiatal hernia .