Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . Low lung volumes crowd the pulmonary vasculature ; however , there is mild pulmonary vascular engorgement . No definite signs of edema . No pleural effusion or pneumothorax . Cardiac , mediastinal , and hilar contours are stable . No focal consolidation concerning for pneumonia .
    OUTPUT:
    
Low lung volumes . Mildly prominent pulmonary vascular engorgement , no signs of overt pulmonary edema . No focal opacities concerning for pneumonia .