Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable chest radiograph demonstrates a mildly improved lung volumes with redemonstration of diffuse bilateral opacifications most consistent with pulmonary edema and could well represent an element of multifocal pneumona . When compared to most recent radiograph , there has not been a substantial change in severeity of those bilateral opacifications or pulmonary edema . There is no pneumothorax . Heart size is stable .
    OUTPUT:
    
Bilateral opacifications which most likely represents a combination of pulmonary edema and in the appropriate clinical setting , an element of pneumonia . Relatively unchanged examination when compared to most recent chest radiograph .