Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild bronchovascular crowding in the right lower lung is not significantly changed compared to the prior radiograph from ___ , although increased compared to the radiograph from ___ . The lungs are clear . Mild cardiomegaly is not significantly changed . Large spinal osteophytes should not be be mistaken for azygos dilatation . The mediastinal contours are otherwise normal . There are no pleural effusions . No pneumothorax is seen .
    OUTPUT:
    
No acute cardiac or pulmonary findings .