Reason(s) for refusal should be documented. f) CC i) Participants must have histologically confirmed CC that is unresectable, metastatic, or recurrent with documented disease progression. ii) Document tumor HPV status if known. If tumor HPV statu s is unknown, participants must consent to allow their submitted archived tumor tissue sample (block or unstained slides) to be tested. iii) Participants must have been offered and/or have received or refused at least 1 prior platinum-based therapy for metastatic and/or unresectable disease.