Table 1.

Memorial Sloan–Kettering Cancer Center (MSKCC) renal cancer prognostic classification.

Factor	Poor Prognostic Factor
Time from diagnosis to treatment	<12 months
Hemoglobin	Lower limit of laboratory’s reference range
LDH	>1.5 the upper limit
Corrected serum calcium	10 mg/dL *
KPS	<80

* to express the pathological level of the sierum calcium is a necessary specification.