Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Assessment is limited by underpenetration secondary to patient 's body habitus . The heart is markedly enlarged , but unchanged compared to the prior studies , which may reflect cardiomegaly or a pericardial effusion . Clinical correlation is advised . The lung volumes are somewhat low , with bibasilar atelectasis , and pulmonary vascular congestion with peribronchial cuffing , suggesting mild pulmonary edema . Aorta is unfolded . There is no pneumothorax or large pleural effusion . Multi level degenerative changes are again seen in the thoracic spine .
    OUTPUT:
    
1 . Stable marked cardiomegaly . 2 . Mild pulmonary edema and bibasilar atelectasis .