Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Since the prior study , there is increased interstitial markings and bilateral opacities , predominantly in the perihilar region . The findings suggest pulmonary edema although concurrent infection can not be excluded . The heart is at least moderately enlarged . There is no pleural effusion or pneumothorax . There is diffuse osteopenia with vertebral body loss of height in the thoracic spine .
    OUTPUT:
    
Findings suggest pulmonary edema . Concurrent infection can not be excluded . Recommend repeat radiographs after treatment .