“How many types of non-Hodgkin lymphoma exist?”

There are about 30 subtypes of non-Hodgkin lymphomas, broken down into 2 major categories: B-cell lymphomas and T-cell lymphomas, with the vast majority of these cancers falling into the realm of B-cell malignancies. Non-Hodgkin lymphomas present with a myriad of clinical risks to afflicted patients, ranging from fast growing and highly lethal diseases to slower growing and more indolent cancers that are less aggressive.