Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates massive diffuse asymmetric pulmonary edema , right worse than left . Moderately severe cardiomegaly is unchanged . There is a small left - sided pleural effusion with adjacent atelectasis , and some right basilar atelectasis as well . There is no pneumothorax .
    OUTPUT:
    
Massive asymmetrical pulmonary edema , right greater than left .