Did the security guard get leukemia during his service?

If the unit fails to purchase social insurance, it may require the unit to pay the corresponding medical expenses that should be borne by it.

Leukemia is a malignant clonal disease of hematopoietic stem progenitor cells, which stagnates at different stages of cell development due to abnormal self-proliferation, differentiation and apoptosis of leukemia cells. Leukemia cells proliferate and accumulate in large quantities, which inhibits normal hematopoiesis and infiltrates other organs and tissues. Clinically, there are different degrees of anemia, bleeding, infection, fever, liver, spleen, lymph node enlargement and bone pain.