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Nottingham Prognostic Index : ウィキペディア英語版 | Nottingham Prognostic Index The Nottingham prognostic index (NPI) is used to determine prognosis following surgery for breast cancer. Its value is calculated using three pathological criteria: the size of the lesion; the number of involved lymph nodes; and the grade of the tumour. ==Calculation==
The index is calculated using the formula: :NPI = (x S ) + N + G Where: * S is the size of the index lesion in centimetres * N is the node status: 0 nodes = 1, 1-4 nodes = 2, >4 nodes = 3 * G is the grade of tumour: Grade I =1, Grade II =2, Grade III =3
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Nottingham Prognostic Index」の詳細全文を読む
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