Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The aorta is slightly tortuous and calcified . The mediastinal and hilar contours appear unchanged . In addition to low lung volumes , there is similar relative mild - to - moderate relative elevation of the right hemidiaphragm compared to the left . There is mild interstitial abnormality suggesting slight fluid overload or pulmonary congestion . Streaky left basilar opacities suggest atelectasis in association with a small suspected left - sided pleural effusion . The bones are demineralized . There are moderate - to - severe degenerative changes depicted along the partly visualized left shoulder .
    OUTPUT:
    
Findings suggesting mild pulmonary vascular congestion .