Fig. 3
From: Geographical analysis of malignant tumor incidence and treatment in China

Geographical distribution of out-of-region medical treatment destinations for malignant tumors patients. Note: North China includes Beijing, Tianjin, Shanxi, Hebei, and central Inner Mongolia; Northeast China includes Liaoning, Jilin, Heilongjiang, and the eastern part of Inner Mongolia (Hulunbuir, Xing’an, Tongliao, Chifeng); East China includes Shanghai, Jiangsu, Zhejiang, Anhui, Shandong, and Fujian; Central China includes Henan, Hubei, Hunan, and Jiangxi; South China includes Guangdong, Guangxi, and Hainan; Southwest China includes Chongqing, Sichuan, Guizhou, Yunnan, and Tibet; Northwest China includes Shaanxi, Gansu, Qinghai, Ningxia, Xinjiang, and Alashan in Inner Mongolia.