Myocarditis related to immune checkpoint inhibitors treatment: two case reports and literature review

: Immune checkpoint inhibitors can cause immune-related toxicity in various systems, and myocarditis is the most serious life-threatening toxicity. This report introduces diagnosis and treatment of two cases which developed myocarditis after receiving PD-1 inhibitors therapy. The first case was a 77-year-old male with chordoma, who was treated by third-line sintilimab combined with anlotinib, and presented with symptoms of chest tightness,...