What is the fine-grained topic of the following text: The Leukemia & Lymphoma Society bills itself as “the world’s largest voluntary health agency dedicated to fighting blood cancer.” The society funds blood cancer research around the world, provides free information and support services, and is an advocate for all blood cancer patients seeking access to quality, affordable, coordinated care. Only return the topic.
The Leukemia & Lymphoma Society's role and services in fighting blood cancer