Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Redemonstrated is a right - sided Port - A - Cath with the tip terminating in the mid SVC . As compared to the prior examination , lung volumes have decreased and there is crowding of the bronchovascular structures . Bilateral hilar opacities are unchanged , correlating with radiation fibrosis as seen on recent chest CT . There is no new lobar consolidation , pleural effusion , pneumothorax , or pulmonary edema . Mild cardiomegaly is unchanged .
    OUTPUT:
    
Low lung volumes and stable mild cardiomegaly . No acute cardiopulmonary process .