Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is moderately enlarged with biatrial enlargement , right more than left . The aorta is tortuous and demonstrates diffuse calcifications . Hilar contours are stable . Lungs are hyperinflated but no focal consolidation is present . There is no pulmonary vascular congestion . There is minimal blunting of the costophrenic angles posteriorly , which could suggest trace bilateral pleural effusions . No pneumothorax is present . There are mild multilevel degenerative changes in the thoracic spine as well as within the right acromioclavicular joint . No acute osseous abnormality is seen .
    OUTPUT:
    
No definite radiographic evidence for pneumonia . Possible trace bilateral pleural effusions . Unchanged cardiomegaly with marked biatrial enlargement .