Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded . Hazy perihilar opacities are greater on the right , with indistinctness of the pulmonary vasculature and peribronchial cuffing . There is a small pleural effusion on the right , and perhaps a trace pleural effusion on the left . There is no pneumothorax . The heart is top - normal in size .
    OUTPUT:
    
Findings likely represent asymmetric mild to moderate pulmonary edema , greater on the right . Underlying infection is difficult to completely exclude . Clinical correlation with symptomatology is recommended .