Cancer complicates ~1 in 1000 pregnancies, which translates into ~4000 cases annually in the United States. Lymphoma is the fourth most common malignancy and the most common hematological malignancy present during pregnancy. Although there are published reports of lymphoma occurring during pregnancy, most are among patients with newly diagnosed disease, and there is a near absence of data regarding the presentation, management, and maternal and neonatal outcomes of patients with relapsed/refractory lymphoma that occurs during pregnancy. [...