This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Medicine
In addition to neurofibromatosis, what other examination finding would you expect for this patient? 
Select and explain. 
A. Aortic regurgitation, B. Chvostek sign, C. Lisch nodules, D. Thyroid bruit
C: Lisch nodules
Answer: C: Lisch nodules 
Explanation: Answer C. Lisch nodulesThere is hypertrophy of the right lower extremity and an irregular peduncular mass with overlying hyperpigmentation and hypertrichosis involving the right trunk, right buttock, and right leg. Histopathological examination was consistent with a soft-tissue neurofibroma. Lisch nodules were seen on ophthalmologic examination, and neurofibromatosis type 1 was diagnosed.