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 ___ . A right - sided subclavian approach central venous line is again recognized seen to terminate slightly higher than it did before in the lower SVC . There is no pneumothorax . Comparison of the two portable chest examinations do not show any new pulmonary parenchymal abnormality . The lateral pleural sinuses remain free , and heart size and mediastinal structures are within normal limits . Comparison is extended to the next previous PA and lateral chest examination of ___ . There was no evidence of any focal pulmonary infiltrates at that time either .
    OUTPUT:
    
Stable appearance of the chest on portable single view examination with no interval change since ___ .