Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates stable massive cardiomegaly . Increased opacification of the bilateral bases likely represents a combination of atelectasis and pleural effusion . Indistinctness of the hila bilaterally and increased interstitial markings are consistent with mild pulmonary edema . No definite consolidation identified .
    OUTPUT:
    
1 . Mild pulmonary edema . 2 . Increased opacification of the bilateral bases likely represents a combination of atelectasis and pleural effusion . 3 . Stable massive cardiomegaly . 4 . No definite consolidation .