Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates bibasilar opacities , which likely represents a combination of atelectasis and pleural effusion , however pneumonia could be considered in the appropriate clinical setting . There is increased pulmonary vascular congestion , and mild cardiomegaly .
    OUTPUT:
    
1 . Pulmonary edema . 2 . Bibasilar opacities likely represent a combination of atelectasis and pleural effusion , however pneumonia could be considered in the appropriate clinical setting .