A 74-Year-Old Man With Waldenstr?m Macroglobulinemia and Progressive Dyspnea

CASE PRESENTATION: A 74-year-old man presented to our department with progressive dyspnea on exertion over the last year. The patient did not report any other symptoms. He had previously smoked with a 60 pack-year history. He worked in an office and did not report any environmental, occupational, or domestic exposures. His history included asymptomatic Waldenstrom's macroglobulinemia that was diagnosed 18 months before respiratory symptoms. He was not receiving any treatment and was monitored regularly by the hematology department. CHEST 2024; 165(2):e39-e43