Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest were provided . AICD is unchanged . Lung volumes are low . In this patient with pulmonary fibrosis , there is a similar overall appearance when compared with the prior exam . A fiducial marker is noted projecting over the lateral left mid lung . There is central hilar engorgement likely indicative of central congestion . Heart size can not be assessed . No large effusion or pneumothorax .
    OUTPUT:
    
Mild congestion , low lung volumes , overall stable .