“…Apart from gastric MALT lymphoma, staging is performed using the Ann Arbor Staging system. [ 3 , 4 ] The relative rarity and heterogeneity of patients with pulmonary MALT lymphoma, as well as their different biology, clinical presentation, and behavior, make it difficult to determine the best treatment for these patients. Currently available treatments include surgical resection, chemotherapy, immunotherapy, radiation therapy, and observation.…”