[Chemotherapy in the second and third trimester of pregnancy is compatible with the delivery of a healthy infant].

This case report describes the delay in diagnosis and treatment of a diffuse large B-cell lymphoma in pregnancy of a 27-year-old woman. Chemotherapy was initiated in week 21 of pregnancy - the tumour regressed and the foetus had linear growth. The patient had caesarean section in week 34, and after delivery she received high doses of methotrexate and obtained complete remission. The two-year-old infant had a normal development.