Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bibasilar airspace opacities have increased . There is no pneumothorax . Small bilateral pleural effusions are new . There is stable mild cardiomegaly despite the projection .
    OUTPUT:
    
Increased bibasilar airspace opacities may be due to the edema , but pneumonia can not be excluded in the appropriate clinical setting . New small bilateral pleural effusions .