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 . Comparison is made with the next preceding similar study of ___ . Previously present ETT has been removed . Central airways appear free . Heart size unchanged . Slightly higher positioned diaphragms indicate poor inspirational effort and result in some crowded appearance of the basal pulmonary vasculature , but there is no evidence of new pulmonary parenchymal infiltrates and the lateral pleural sinuses are free from any fluid accumulation . Heart size is unchanged and there is no evidence of pulmonary vascular congestion . No pneumothorax in the apical area . As identified on previous examination , a cerebral - abdominal drainage line is overlying the right - sided hemithorax . A previously identified NG tube curls up in the fundus of the stomach as before .
    OUTPUT:
    
Stable chest findings , no evidence of new pneumonic infiltrate since the next preceding study four days ago .