Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable semi upright view of the chest . Underpenetration limits assessment . There is suggestion of mild pulmonary edema . Low lung volumes limits assessment . Evaluation for small pleural effusions is limited given absence of lateral projection . No large effusion or pneumothorax is appreciated . Heart size appears grossly stable as does the mediastinal contour . No acute bony injuries seen .
    OUTPUT:
    
Limited exam with probable mild pulmonary edema .