Case Report
Combination of Type I and II tyrosine kinase inhibitors—avapritinib and sunitinib—in refractory gastrointestinal stromal tumor after failure to multi-line therapy: a case report
Xiaodan Guo, Shaoqing Huang, Yihang Shi, Zhaoming Guan, Sile Chen, Yun Feng, Yanzhe Xia, Xinhua Zhang