<prompt> The most common extranodal site for non-hodgkin lymphoma isStomachBrainIntestineTonsils  <response>: Lymphomas are divided broadly into Hodgkins and Non-Hodgkin;s lymphomas. Two-thirds of Non-Hodgkin;s lymphoma present as generalized lymphadenopathyNodal sites.One third of the cases present at an extranodal site. Extra nodal sites include the gastrointestinal tract, upper aerodigestive tract, salivary glands, eye, mediastinum, lung, pleura, hea, spleen, liver etc. The most common extranodal site is gastrointestinal tract, in which stomach is involved most often. 