Long-term survival was achieved through multidisciplinary treatment of a patient with gallbladder carcinosarcoma accompanied by KRAS mutation: a case report and literature review - Liao, Yedan; Lai, Junbo; Yang, Jilan; Long, Tingfeng; Wu, Xi; Luo, Dan; Tan, Jin; Zhang, Ke; Tang, Jiadai; Xie, Lin (Frontiers in Oncology, 2025)