text_1: I saw a woman this morning with chronic obstructive pulmonary disease and worsening dyspnea, still smoking, still oxygen dependent, recent 10 pound weight gain, oxygen saturation was fine.  Why is she more short of breath?  Is her cor pulmonale worse?
text_2: Chronic obstructive pulmonary disease, oxygen saturation fine. Why is she more short of breath? Is her cor pulmonale worse?