Primary pulmonary mucosa-associated lymphoid tissue lymphoma with extensive lung involvement and negative autoimmune and inflammatory background: A case report and literature review.

Primary pulmonary mucosa-associated lymphoid tissue (MALT) lymphoma is a very rare presentation of MALT lymphoma. The presence of a completely negative autoimmune and inflammatory background makes it a real challenge and very rare presentation (probably the second reported case in the literature). We report a case of primary pulmonary MALT lymphoma with negative autoimmune background, demonstrating as multifocal bulky variceal masses causing significant clinical symptoms.

Clinical prediction rule for pulmonary infiltrates.

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