Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Top normal heart size is stable compared to exams dating back to at least ___ . There is mild pulmonary vascular congestion , otherwise the hilar and mediastinal contours are unremarkable . No focal consolidations concerning for pneumonia are identified . There is no pleural effusion or pneumothorax . Degenerative changes are noted in the shoulders bilaterally .
    OUTPUT:
    
No focal consolidations concerning for pneumonia identified .