Well-demarcated biconvex heterogeneously hyperdense frontal collection (maximum thickness = 35 mm on the right and 15 mm on the left, crossing the metopic suture which limits the right and left frontal components of the epidural haematoma. A mass effect is noted on the frontal lobes and horns mainly on the right. No underlying frontal fracture seen on the bone window or 3D-VR.