Final answer:
Leukemia is the 2nd most common neoplasm in children. It is a type of cancer that affects the blood and bone marrow. Treatment options include chemotherapy, radiation therapy, and stem cell transplantation.
Step-by-step explanation:
The 2nd most common neoplasm in children is leukemia. Leukemia is a type of cancer that affects the blood and bone marrow, and it is characterized by the uncontrolled production of abnormal white blood cells.
There are several types of leukemia, including acute lymphoblastic leukemia (ALL) and acute myeloid leukemia (AML). These types of leukemia primarily affect children, with ALL being the most common form in children.
Treatment for leukemia typically involves chemotherapy, radiation therapy, and sometimes stem cell transplantation.