Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Overlying EKG leads are present . There is severe congestion and moderate pulmonary edema . Low lung volumes somewhat limit the assessment . No pneumothorax . No large effusion . Given low lung volumes , a subtle pneumonia in the lower lungs difficult to exclude .
    OUTPUT:
    
Moderate pulmonary edema . Severe congestion .