AUTHOR=Jiang Xuejun , Ji Zujin , Li Peng , Yuan Fangjun , Lei Xinyi , Yang Yong TITLE=Long term survival following cryoablation with adjuvant Toripalimab for anorectal malignant melanoma: a case report JOURNAL=Frontiers in Oncology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1465645 DOI=10.3389/fonc.2025.1465645 ISSN=2234-943X