Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP upright portable view of the chest was obtained . The lungs remain hyperinflated , consistent with chronic obstructive pulmonary disease . The cardiac silhouette is enlarged . Evidence of hiatal hernia is again seen . The aorta is calcified and tortuous . There is mild pulmonary vascular congestion . There is blunting of the right costophrenic angle which may be due to overlying soft tissue , though a small pleural effusion can not be excluded . Bibasilar atelectasis is seen without discrete focal consolidation .
    OUTPUT:
    
1 . Cardiomegaly and minimal pulmonary vascular congestion . Blunting of the right costophrenic angle may be due to overlying soft tissue , although a trace effusion can not be excluded . 2 . Hiatal hernia .