Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right - sided Port - A - Cath is in unchanged position with the tip in the proximal right atrium . There is mild vascular congestion , which is likely chronic . There is no focal airspace opacity , pulmonary edema , pleural effusion , or pneumothorax . There is a contour of the main pulmonary artery , likely reflecting a degree of pulmonary hypertension . The mediastinal contours are otherwise normal . The heart size is at the upper limits of normal . Again , no definite splenic shadow is identified .
    OUTPUT:
    
No acute cardiopulmonary process .