Table 1.

Length of follow up after treatment.

	Low risk trunk or extremity tumours $\left(N=88\right)$	High risk trunk or extremity tumours $\left(N=99\right)$	Abdominal or retroperitoneal tumours $\left(N=63\right)$
Less than 5 years	3 (3%)	0 (0%)	1 (2%)
Exactly 5 years	39 (44%)	22 (22%)	12 (19%)
At least 5 years	7 (8%)	9 (9%)	6 (10%)
Exactly 8 years	1 (1%)	2 (2%)	2 (3%)
Exactly 10 years	20 (23%)	36 (36%)	24 (38%)
At least 10 years	6 (7%)	6 (6%)	4 (6%)
At least 15 years	0 (0%)	1 (1%)	0 (0%)
Until adulthood	1 (1%)	2 (2%)	1 (2%)
Lifelong	9 (10%)	15 (15%)	10 (16%)
No response	2 (2%)	6 (6%)	3 (5%)