Highlights a case of primary pulmonary MALT lymphoma presenting as a solid mass mimicking lung cancer.
Pulmonary MALT lymphoma may mimic solid lung cancer; this case extends the differential but leaves broader validation open.
Fig. 1.Chest computed tomography images and pathological images of the resected specimen.Chest contrast CT scan revealed a 3.5 cm  3.2 cm mass in the right lower lobe (A, pulmonary window, B, mediastinal window).Postoperative histological study demonstrated the diagnosis of primary pulmonary mucosa-associated lymphoid tissue (MALT) lymphoma (C) with positive staining of CD 20 (D) (Ⅹ400).
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Yang et al. (2021) studied this question.
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