Clinical Presentation, Natural History, and Therapeutic Approach in Patients with Solitary Fibrous Tumor: A Retrospective Analysis

Table 2

Treatment outcome, recurrence status, and adjuvant- and systemic therapy.

	n (%)
Patients	94
Primary resection	86 (91.5)
R0	39 (45.5)
R1	6 (7)
Rx	41 (39.1)
Recurrence
Local recurrence	23 (26.7)
Metachronous metastasis	26 (30.2)
No recurrence	37 (43.0)
Adjuvant radiotherapy	14 (16.3)
Local recurrence	1 (7.1)
Metastatic recurrence	5 (35.7)
Adjuvant systemic therapy	0 (0)
Systemic therapy	28 (29.8)
Neoadjuvant	2 (2.1)
Palliative	24 (25.5)
Neoadjuvant and palliative	2 (2.1)

Treatments applied in 94 patients with SFT. R0: complete resection. R1: microscopic residual disease. Rx: unknown resection status.