Tumor stage ALNM 1997 p 1997
    50-59 y   60-69 y
Stage Ia-b 0 29 n.s. 23
≤10 mm   24%   26%
Stage Ic 0 54 n.s. 38
10–20 mm   45%   43%
Stage IIA 1–3 26 n.s. 15
10–20 mm   21%   17%
Stage IIB >3 8 n.s. 9
20–50 mm   7%   9%
Stage III <9 4 n.s. 5
>50 mm   3%   4%
Σ   121   89
ALNM, axillary lymph node metastasis
Table 5: Distribution of tumor stages of the two study groups in 1997.