Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to the chest radiograph obtained approximately 2 weeks prior , right greater than left basal opacities are minimally improved , though increased in comparison to approximately 3 weeks prior . There is faint extension of these opacities into the midlung fields . Mild cardiomegaly is unchanged . No pulmonary edema or pleural effusions .
    OUTPUT:
    
Bilateral parenchymal opacities may be consistent with an infectious process , chronic changes from recurrent pulmonary edema , or other inflammatory process . Recommend CT chest for further evaluation when fluid status is optimized .