How does the doctor know if the diagnosis is lymphoma?

Biopsy results: Lymphoma refers to cancer of the lymph glands. The typical test to confirm a diagnosis is by biopsy of the suspicious lymph node. In some cases a biospy may not be necessary ut blood tests and bone marrow bipsies can be helpful.

Blood test result: Often b or t cell lymphomas can be diagnosed using blood...Cytometry and blood smears can help with the diagnosis. If you had a biopsy, that may help as well. Check with your doc... Good luck.