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 right atrium . There are relatively low lung volumes . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . There is persistent elevation of the left hemidiaphragm . The cardiac and mediastinal silhouettes are stable . The hilar contours are stable . There is no pulmonary edema .
    OUTPUT:
    
No acute cardiopulmonary process . Persistent elevation of the left hemidiaphragm .