cancerometastasis

例句：

1. 1. The patient's cancer has progressed to the point where it is no longer treatable.
   患者的癌症已经进展到了无法治疗的程度。
2. 2. The study found that the metastatic spread of cancer is a major cause of death in many parts of the world.
   研究发现，癌症的转移扩散是世界上许多地区的主要死因。
3. 3. The doctor advised the patient to undergo surgery immediately after the metastatic spread was detected.
   医生建议患者一旦发现癌细胞转移就立即接受手术。