Today, 51 years ago, on June 1, 1974 (April 11, 1974), Zhou Enlai performed his first major surgery. On June 1, 1974, Zhou Enlai performed his first major surgery, living in 305 hospitals until his death. Early in May 1972, Zhou Enlai was diagnosed with bladder cancer because of his blood. After reporting to Mao Zedong in November, Mao Zedong instructed him to rest, spare and not worry. But at the time, Zhou Enlai still carried heavy work. Until March 10, 1973, Zhou Enlai performed his first surgery. In early 1974, his cancer worsened, but Zhou Enlai and others sparked a wave of ¡°worms¡± to cause production to be impacted. From January to June 1, the 13th of the week, Zhou Enlai had 1824 hours of work; from April to April