Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is moderately enlarged . The aorta is tortuous and mildly calcified . Mild pulmonary edema is present . No focal consolidation , pleural effusion or pneumothorax is seen . Streaky atelectasis is also demonstrated in the lower lobes . Multilevel degenerative changes are noted in the thoracic spine with anterior bridging osteophytes .
    OUTPUT:
    
Mild pulmonary edema and mild bibasilar atelectasis .