AUTHOR=Chen Muyang , Wang Anpeng , Zhang Hao TITLE=Case report: Long remission and survival following immunotherapy in a case of pulmonary pleomorphic carcinoma JOURNAL=Frontiers in Immunology VOLUME=15 YEAR=2024 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2024.1464900 DOI=10.3389/fimmu.2024.1464900 ISSN=1664-3224