<prompt> Answer this question truthfullyWhat is follicular lymphoma and what are its characteristics?  <response>: <reason> Follicular lymphoma is a type of cancer that arises from neoplastic proliferation of small B cells CD20 in the lymphatic system. It is characterized by the formation of follicle-like nodules, which can be seen on histological examination. These nodules are composed of closely packed lymphoid cells that are surrounded by a network of follicular dendritic cells. Follicular lymphoma is considered to be an indolent slow-growing type of lymphoma and it is often diagnosed at an advanced stage. 