Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Two frontal images of the chest demonstrate low lung volumes , likely secondary to poor inspiration . There is asymmetric , right greater than left , diffuse opacification of the lungs which is consistent in appearance with vascular congestion and pulmonary edema , though in the appropriate clinical context pneumonia can not be completely excluded . There is no pneumothorax or pleural effusion . Cardiomegaly is again seen .
    OUTPUT:
    
Pulmonary edema , with right greater than left lung involvement .