“Lazarus Response” When Feto-Maternal Microchimerism Kicks in: Spontaneous Remission in Refractory Primary Mediastinal B Cell Lymphoma Following Twin Pregnancy oleh Radu Andrei Tomai, Sabina Iluta, Adrian Bogdan Tigu, Madalina Nistor, Anamaria Bancos, Diana Cenariu, Ciprian Jitaru, Sergiu Patcas, Delia Dima, David Kegyes, Sanda Buruiana, Mihnea Zdrenghea, Alina Daniela Tanase, Ciprian Tomuleasa, Romeo Micu