Unusual Presentation of Mediastinal Mass which Grew Slowly Over 5 Years and Became Aggressive and Transformed into High Grade Lymphoma and Presented as Hypercalcemia

Export A 62-year-old male patient with no co-morbid conditions presented for 5 years with an asymptomatic, slow-growing mediastinal mass that became aggressive and transformed into a disseminated high-grade lymphoma that manifested as hypercalcemia.