Use of platinum-based chemotherapy and pembrolizumab to treat squamous cell carcinoma arising in a mature teratoma of the ovary in a pre-menopausal woman with negative response: A case report

铂类化疗联合帕博利珠单抗治疗绝经前女性卵巢成熟畸胎瘤鳞状细胞癌疗效不佳：病例报告