What tests will I need to do for my hairy cell leukemia and how often?

What tests will I need to do for my hairy cell leukemia and how often?
What are the signs and symptoms of hairy cell leukemia?
BETA - How can real world evidence lead to FDA label changes?
BETA - How can data be used in retrospective studies?
BETA - Why may real world data not always reflect what was learned in a clinical trial?
BETA - How can real world data be used to guide treatment decision making?
BETA - What are challenges associated with using real world data?
Where is hairy cell leukemia located in my body?
What are my options for treating hairy cell leukemia?