Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: 1 AP view . There is evidence for increased density in the retrocardiac area in the left hemidiaphragm is indistinct . The lung bases are partially obscured by extensive costochondral calcification . The costophrenic sulci are blunted . Bronchovascular markings are mildly increased , as before . The heart and mediastinal structures are unchanged as well . A double - lumen right internal jugular catheter has been inserted and terminates in the region of the lower superior vena cava .
    OUTPUT:
    
Continued evidence of mild pulmonary vascular congestion and small pleural effusions . There is a suggestion of increased density in the retrocardiac area . This region could be better assessed by a lateral view if clinically indicated . A double - lumen right internal jugular catheter is in central position .