Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest . Heart size is moderately increased . There is mild pulmonary interstitial edema with indistinct appearance of the right costophrenic angle , potentially representing a small pleural effusion . No lobar consolidation or pneumothorax .
    OUTPUT:
    
Cardiomegaly with pulmonary edema . Small right pleural effusion can not be excluded .