the following 9 parameters have been measured as factors possibly relevant to chemosensitivity of tumor tissue or tumor-bearing mice : grade of histological differentiation , vascularity , percentage of necrosis , vdt , 3h-thymidine li , human ldh activity in the cancer tissue , tissue/serum ldh ratio , tdr pase activity , and serum cea .
C0027651
tumor
C0006826
cancer