Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart is severely enlarged . Mediastinal contours normal . There is asymmetric right greater than left opacity . There is no pneumothorax or large pleural effusion . There is no acute osseous abnormality .
    OUTPUT:
    
Cardiomegaly and right greater than left lung opacification compatible with asymmetric pulmonary edema . Given relative asymmetry of findings pneumonia is also possible in the correct clinical setting .