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Fig 3. ANN output obtained on the basis of 2 radiologists' ratings of MR features and clinical information for the 2 cases shown in Fig 2. Each graph shows the largest output values among the 4 categories corresponding to the correct diagnoses. A, Case 1: The likelihood of high-grade glioma is very high. ANN led to the correct diagnosis. B, Case 2: The likelihood of metastasis is approximately equivalent to high-grade glioma and malignant lymphoma. ANN might fail to lead to the correct diagnosis.
