Enunciado A.S.R., male, 57 years old, victim of a head injury due to the collision of two trucks. Admitted 60 hours after the accident with score 3 on the Glasgow Coma Scale (GCS), anisocoria with mydriasis on the left and a collapsed skull. After discontinuation of sedation, presented with a score 5 on the GCS, decerebration on the right and decortication on the left, after painful stimulus; anisocoria with mydriasis on the left, corneal reflex preserved bilaterally and oculocephalic reflex abolished bilaterally. Computed tomography of the brain, without contrast, axial view, soft tissue-window. Computed tomography of the brain, without contrast, axial view, bone-window. Computed tomography of the brain, with venous contrast, sagittal view, soft tissue-window. Question:Based on the clinical history and the imaging studies presented, which is the most likely diagnosis? Contusion of the brain stem Thrombosis of the basilar artery Pontine myelinolysis Diffuse Axonal Injury Time is Up! Time's up