Fig. 1From: Midterm prognosis and surgical implication for clival chordomas after extended transsphenoidal tumor removal and gamma knife radiosurgeryHead MR imaging with contrast medium showing massive clival tumor compressing the entire pons backward (a: axial image, b: sagittal image); surgery removed 90% of the tumor was removed except for the right retrocavernous sinus portion (c: axial image d: sagittal image)Back to article page