“…lung, heart, or intestines) which can confuse the diagnosis and end in a life-threatening situation. [5][6][7] Cancer and chemotherapy are also considered to be important and rare causes of secondary CLS. 8 For example, patients with lymphoma, such as those with diffuse large B-cell lymphoma or T-cell lymphoma, may develop CLS under cytokine therapy (e.g., interleukin (IL)-2, IL-11, interferon), bortezomib, rituximab, CAR-T therapy, and/or autologous stem cell transplantation.…”