Efficacy and Cost-Benefit Analysis of Magnetic Resonance Imaging in the Follow-Up of Soft Tissue Sarcomas of the Extremities and Trunk

Table 3

Frequency of local recurrence discovery distributed by modality, tumor location, and grading.

N (%)		MRI	Clinic	MRI and clinic combined	p value
Total		33 (57)	8 (14)	17 (29)
Location
Trunk		5 (45)	1 (9)	5 (45)
Proximal extremity		16 (67)	6 (25)	2 (8)	(prox. vs. dist. extremity)
Distal extremity		12 (52)	1 (4)	10 (44)
Grading	G1	10 (91)	1 (9)	0	(G1 vs. G2+G3)
	G2	12 (75)	1 (6)	3 (19)
	G3	10 (45)	4 (18)	8 (36)