A diffuse large B-cell lymphoma that is localized to the lungs at the time of presentation. Signs and symptoms include cough, dyspnea, and hemoptysis. The disease is primary pulmonary diffuse large B-cell lymphoma (MONDO_0006387). Also known as: diffuse large B-cell lymphoma of lung, high grade MALT lymphoma of the lung, lung diffuse large B-cell lymphoma, pulmonary diffuse large B-cell lymphoma.