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Figure 5: Schematic representation of operative exposure including II nerve, ICA, A1 and M1 segments, III nerve, BA, brainstem (BS), right (1) and left (^) PCAs, right posterior communicating artery (*) originating from ICA and joining PCA. Aneurysm (An) is partially hidden behind posterior communicating artery (*)

Figure 5: Schematic representation of operative exposure including II nerve, ICA, A1 and M1 segments, III nerve, BA, brainstem (BS), right (1) and left (^) PCAs, right posterior communicating artery (*) originating from ICA and joining PCA. Aneurysm (An) is partially hidden behind posterior communicating artery (*)