Final answer:
The pharmacist would refer to section C of the package insert.
Step-by-step explanation:
The pharmacist would refer to section C of the package insert. This section lists the negative side effects of the medication, which includes an increased risk of stroke or heart attack, blood clots, breast cancer, colon cancer, endometrial cancer, gall bladder disease, and possibly dementia. By referring to this section, the pharmacist can provide Ms. Supat with information about her cancer risks while taking the medication.