Staging

Stadium

Criteria

Mediane overleving (maanden)

I

Serum beta-2 microglobuline < 3.5 mg/L
en
serum albumine > 3.5 g/dL

62

II

> stadium I
en
< stadium III

45

III

Serum beta-2 microglobuline > 5.5 mg/L

29