Table I.

Patient population.

Characteristic	# patients (%)
Sex
Male	22 (34)
Female	42 (66)
Side
Right	35 (55)
Left	29 (64)
Koos tumour stage
T1	11 (17)
T2	8 (13)
T3a	15 (23)
T3b	20 (31)
T4a	10 (16)