Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A supine portable frontal chest radiograph demonstrates low lung volumes with increased prominence of the cardiac silhouette and bronchovascular crowding . There is been interval placement of a right internal jugular catheter , with the tip likely within the proximal right atrium . There is persistent elevation of the right hemidiaphragm . No definite focal consolidation , pleural effusion , or pneumothorax is identified . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
1 . Low lung volumes . No definite focal consolidation identified . 2 . A right internal jugular catheter terminates within the proximal right atrium . This catheter can be pulled back approximately 2 .5 - 3 cm to place the tip in the distal SVC , if desired .