Metastasis is responsible for about 90% of cancer associateddeaths. The five year survival rate comparisons for metastatic andnon-metastatic tumors in various tissues was presented in lecture10. The prostate cancer survival rate for non-metastatic tumors is100%, whereas for liver cancer it is 28%. Why do you think there issuch a big difference in survival rates for these two cancer typeswhen both are non-metastatic tumors? (5 points)
