Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable frontal chest radiograph again demonstrates severe cardiomegaly , likely unchanged compared to ___ . Low lung volumes exaggerate cardiomediastinal size . There is mild left greater than right basilar atelectasis , as well as mild pulmonary edema . No focal consolidation , large pleural effusion , or pneumothorax is identified . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
1 . Mild pulmonary edema . 2 . Unchanged severe cardiomegaly .