Secondary skin involvement in gastric diffuse large B-cell lymphoma treated with chidamide: A case report

Rationale: Diffuse large B-cell lymphoma (DLBCL) is a neoplasm of large B lymphoid cells that exhibits diffuse growth patterns. Patients may present with nodal and/or extranodal disease. The most common extranodal site is the gastrointestinal tract, while skin is less common.