Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided Port - A - Cath tip terminates at the junction of the SVC and right atrium . Heart size is mildly enlarged . Aorta is mildly tortuous . Prominence of the distal mediastinal contour at the gastroesophageal junction likely reflects the patient 's known adenocarcinoma within this region . Hilar contours are otherwise unremarkable . Pulmonary vasculature is not engorged . Lungs are clear . No pleural effusion or pneumothorax is present . No acute osseous abnormality is visualized .
    OUTPUT:
    
Prominence of the distal mediastinal contour at the gastroesophageal junction likely reflects the patient 's known adenocarcinoma in this region . No acute cardiopulmonary abnormality otherwise visualized .