woman with pulmonary fibrosis underwent an uncomplicated right
single-lung transplant. In the first posttransplant year, she
experienced two episodes of acute rejection requiring augmentation of
corticosteroid therapy. Eleven months after the surgery, she presented
with a new, 2-cm nodule in her right lung graft. A biopsy specimen is
shown in Figure 1.
Which of the following would not be considered in the treatment of this