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 ___ . Poor inspirational effort with high positioned diaphragm is similar as before . Heart size can not be assessed , pulmonary vascular congestive pattern observed on the previous examination has improved moderately . Plate atelectasis on the left lung base persists , but no other new parenchymal abnormalities are seen . No pneumothorax in apical area .
    OUTPUT:
    
Poor respiratory mechanics , some improvement of pulmonary vascular congestive pattern . Otherwise stable chest findings .