Spontaneous remission of a pulmonary sclerosing epithelioid fibrosarcoma: a case report of a possible abscopal effect

Sara Elena Campos Ramírez, María Carmen Gómez Mateo, Sofía Elena Ruffini Egea, María Luna Monreal Cepero, Pablo Gómez Mugarza, Susana Barriendos Sanz, Javier Martinez Trufero