Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval removal of the enteric tube . Heart size and mediastinal contours are stable . Left pleural effusion has improved , now trace . Right lung is clear and the left lung persistently demonstrates considerable parenchymal abnormality and atelectasis .
    OUTPUT:
    
Small left pleural effusion . Diffuse left pulmonary parenchymal abnormality as before .