Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild pulmonary vascular congestion new since ___ . There is no focal opacity , over pulmonary edema , pleural effusion or pneumothorax . The heart size is normal . There are aortic knob calcifications . There degenerative changes in the bilateral glenohumeral joints .
    OUTPUT:
    
Clear lungs . New , mild pulmonary vascular congestion .