Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Semi-upright portable AP view of the chest was provided . The heart is top normal in size . There is mild diffuse ground - glass pulmonary opacity , which could represent pulmonary edema , less likely a typical infection . No large effusion or pneumothorax is seen . Bony structures are intact . Hardware partially visualized in the right proximal humerus .
    OUTPUT:
    
Mild ground - glass diffuse pulmonary opacity is concerning for pulmonary edema . Mild cardiomegaly also again noted .