of Cochin Hospital (CLEP Decision N°: AAA-2021-08040). In agreement with the Committee for the Protection of Individuals—Regional Health Agency of Ile-de-France, given the retrospective nature of this French study, written informed consent from the patients was not required but the non-...
Combined malignant brain tumor, malignant tumors of other parts of the nervous system, and tumors of unspecified nature of the brain and other parts of the nervous system were investigated. A significant risk of death (p-value = 0.03) has been calculated only by excluding the last group (i....