Table 1. Disease and treatment variables in patients.

Variable	% (n=102)
Tumour size (largest diameter)
Range 4–80 mm, mean 17.4 (s.d. 11.7)
Stage
I	54
II	39
III	4
Undetermined	2
Histologic type
Ductal carcinoma	72
Lobular carcinoma	20
Grade
1	39
2	32
3	16
Presence of hormone receptors
Oestrogen receptors	83
Progesterone receptors	67
Either	84
Metastases
None	66
Regional	32
Number of positive lymph nodes: range 1–15, mean 2.88 (s.d. 2.98)
Amount of positive lymph nodes out of the total: range 0.1–1, mean 0.39 (s.d. 0.24)
Baseline surgery
Breast conserving	60
Mastectomy (simple or modified radical)	39
Baseline adjuvant treatment
Surgery only	28
+ Radiotherapy	72
+ Chemotherapy	24
+ Hormonal therapy	24
Presence of other chronic disease	44