What is blood disease?

Hematological diseases refer to diseases occurring in the blood and hematopoietic organs, including red cell diseases, such as various anemia; granulocytic diseases, such as leukopenia; hematopoietic stem cell diseases, such as acute leukemia; lymphocyte diseases, such as multiple myeloma, etc. It covers many diseases, so it needs to be judged in combination with laboratory test results.