Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal pulmonary opacity . The aorta is moderately tortuous . The heart is mildly enlarged accompanied by mild pulmonary vascular congestion and new small bilateral pleural effusions . Mild degenerative changes are noted at the acromioclavicular joints bilaterally . A previously seen right seventh rib fracture is not well identified on this examination .
    OUTPUT:
    
No evidence of pneumonia . Pulmonary vascular congestion and small bilateral pleural effusions . .