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Figure 2: Classification for GBM based on MRI location. (a) Group I, the contrast-enhancing lesion (CEL) extends from the atrium SVZ to the pia. (b) Group II, SVZ-contacting a tumor that does not involve the cortex. (c) Group III, the CEL is invading the cortex, reaching the pia, but does not touch the SVZ. (d) Group IV, tumors that “respect” both the SVZ and cortex

Figure 2: Classification for GBM based on MRI location. (a) Group I, the contrast-enhancing lesion (CEL) extends from the atrium SVZ to the pia. (b) Group II, SVZ-contacting a tumor that does not involve the cortex. (c) Group III, the CEL is invading the cortex, reaching the pia, but does not touch the SVZ. (d) Group IV, tumors that “respect” both the SVZ and cortex