First CT and MRI showing typical features that lead to a GBM diagnosis on imaging. This tumor is extremely aggressive and average survival is around 12 months after the diagnosis. Even with the standard treatment, which consists of surgical resection followed by radiotherapy and temozolomide, the tumor usually recurs after some months (disease progression). 

Note: IDH mutation status is not provided in this case and according to the current (2016) WHO classification of CNS tumors, this tumor would, therefore, be designated as a glioblastoma NOS.