Test Details: The genetic hallmark of FL is the t(14;18)(q32;q21) chromosomal aberration. Follicular lymphoma (FL) is one of the most common haematological neoplasms. It is an indolent type of non-Hodgkin lymphoma that typically grows and spreads at a slow rate. For those projected for treatment with radiation or chemotherapy, clinical monitoring using a 'watch and wait' approach is likely to be recommended until the patient requires treatment.