Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of a right - sided Port - A - Cath , terminating at the cavoatrial junction . No definite pneumothorax is seen . There is no pleural effusion . Right hilar opacity corresponding to patient 's known right hilar mass is again seen , more prominent as compared to the prior study , relatively stable extent as compared to ___ and ___ , although increase in size is difficult to exclude on this study . The left lung appears clear . No new focal consolidation is identified . The cardiac and mediastinal silhouettes are stable . Again , the patient has known apical bullous pulmonary emphysema .
    OUTPUT:
    
Known right hilar mass slightly more prominent as compared to the prior study , however similar in appearance to more remote prior studies including ___ . No new focal consolidation seen .