High Recurrence Rate of Myxofibrosarcoma: The Effect of Radiotherapy Is Not Clear

Table 2

Tumor and treatment factors with respect to the number of patients receiving radiotherapy (RT) and local recurrence (LR).

	No RT (LR), n	RT (LR), n
Median tumor size (range; cm)	4.5 (2–17)	8 (2–18)
Tumor depth
Subcutaneous	15 (5)	11 (2)
Deep	7 (1)	23 (7)
Place where the primary surgery was performed
Sarcoma center	17 (3)	27 (7)
Outside of the center	5 (3)	7 (2)
Final surgical margin
Intralesional	4 (1)	3 (2)
Marginal	4 (2)	15 (6)
Wide	14 (3)	16 (1)
Additional adjuvant therapy
None	21 (6)	23 (6)
CT	1 (0)	11 (3)
Total RT dose
50 Gy		19 (5)
36 Gy		13 (4)
30 Gy		1 (0)
18 Gy		1 (0)
Missing RT data		1 (0)

After reexcision in 10 cases. One patient had a boost to 66 Gy.