英语语法分析

Chemotherapy alone often makes leucocytic cell break apart, then following the "tumor lysis syndrom". So the rate of early mortality usually greater than 50%.

常规单用联合化疗使大量白血病细胞分解，从而导致“肿瘤溶解综合征”的发生，早期死亡率常高达50%以上。