Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-erect chest radiograph ___ at 09 :28 is submitted .
    OUTPUT:
    
There is worsening airspace consolidation involving most of the right lower lung and possibly some of the right upper lobe concerning for pneumonia or possibly hemorrhage in the correct clinical setting . The left lung remains grossly clear . No pulmonary edema . Heart remains stably enlarged status post median sternotomy for CABG . No pneumothorax . Left subclavian PICC line unchanged in position .