Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP single view of the chest has been obtained with patient in semi-upright position . Analysis is performed in direct comparison with the next preceding PA and lateral chest examination ___ ___ . On this single view examination , higher positioned diaphragms indicate poor inspirational effort , but there are no evidence of new pulmonary parenchymal abnormalities , the lateral pleural sinuses are free from any fluid accumulation . There is no pneumothorax in the apical area . Although heart contours are partially concealed with no indication for any new cardiac enlargement in comparison with the previous study . Unchanged appearance of previously described right - sided Port - A - Cath system terminating in lower SVC .
    OUTPUT:
    
No evidence of acute pulmonary abnormalities . Questioning pulmonary embolism would require additional diagnostic procedures .