Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP single view of the chest has been obtained with patient in sitting semi-upright position . Comparison is made with the next preceding similar study of ___ . Unchanged appearance of cardiac enlargement without typical configurational abnormality . Mediastinal structures also unchanged . The pulmonary vasculature is not congested anymore and there is no evidence of pleural effusion as the lateral pleural sinuses are free . No new pulmonary parenchymal infiltrates can be identified . No pneumothorax is seen in the apical area . As before , a right internal jugular approach central venous line is seen and terminates in the mid portion of the SVC .
    OUTPUT:
    
No evidence of new acute pulmonary infiltrates . Observe that chest image quality is limited related to patient 's morbid obesity .