Tumor heterogeneity leads to a significant difference in the rate of response to drugs in patients with the same pathological type. According to the information, the current initial effective rate of domestic and foreign chemotherapeutic single drug is no more than 30%, even if treated with repeated
Many critically ill patients are admitted to the hospital with no infarcted brain tissue and yet, after a period of extremely intense and expensive critical care, the patients are discharged with new hospital-acquired dead brain tissue, with associated life-long disability or brain death. This