Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Study is slightly limited by lordotic positioning . Heart size is mild to moderately enlarged . Widening of the mediastinum superiorly may be due to the presence of mediastinal lipomatosis . Hilar contours are unremarkable , and pulmonary vasculature is not engorged . Lungs are mildly hyperinflated without focal consolidation , pleural effusion or pneumothorax . Mild multilevel degenerative changes are noted in the thoracic spine .
    OUTPUT:
    
No evidence of congestive heart failure . Widening of the superior mediastinum may relate to mediastinal lipomatosis .