Table 1.

Clinical, Histopathological, and Molecular Findings of MLS/RCLSs in This Study

Patient ID	Location	Age	Histology*	Tumor size	Local recurrence† (months)	Distant metastases† (months)	Follow-up period (months)	Final result‡	Fusion gene	Subtype
373	buttock	53	classical	20 × 15 × 10	11	ND	59	NED	TLS-CHOP	1
410	knee	46	classical	14 × 14 × 0	ND	ND	70	CDF	TLS-CHOP	1
427	leg	48	classical with R	9 × 7 × 4	ND	ND	65	CDF	TLS-CHOP	1
455	thigh	40	classical	15 × 12 × 12	ND	ND	66	CDF	TLS-CHOP	1
559	leg§	41	classical	13 × 10 × 6	9	3	19	DOD	TLS-CHOP	1
227	thigh	36	classical	10 × 5 × 5	ND	ND	102	CDF	TLS-CHOP	2
282	thigh	27	classical	23 × 10 × 10	ND	ND	25	CDF	TLS-CHOP	2
287	thigh	58	classical	12 × 6 × 5	39	ND	140	NED	TLS-CHOP	2
374	thigh	32	classical with R	10 × 10 × 8	60	149	150	DOD	TLS-CHOP	2
376	thigh	43	classical	17 × 11 × 8	ND	ND	72	CDF	TLS-CHOP	2
518	buttock	58	classical	5 × 4 × 4	16	ND	68	NED	TLS-CHOP	2
534	groin	27	classical	6 × 4 × 3	64	ND	151	NED	TLS-CHOP	2
555	thigh	33	classical	16 × 8 × 7	ND	ND	44	CDF	TLS-CHOP	2
386	groin	54	classical	4 × 3 × 2	ND	ND	52	CDF	TLS-CHOP	3
469	knee	48	classical with R	12 × 10 × 9	ND	ND	50	CDF	TLS-CHOP	4
509	thigh	62	classical	18 × 10 × 10	ND	ND	52	CDF	TLS-CHOP	4
180	thigh	24	classical	5 × 5 × 4	108	ND	289	NED	TLS-CHOP	5
307	thigh	26	classical with R	13 × 11 × 8	ND	ND	10	CDF	EWS-CHOP	1
753	thigh	48	classical with R	8 × 6 × 4	49	ND	54	NED	EWS-CHOP	1
682	thigh	26	unusual	35 × 20 × 20	12	10	16	AWD	EWS-CHOP	2
685	retroperitoneal	16	unusual	30 × 25 × 20	8	ND	15	AWD	EWS-CHOP	2

Classical, classical MLS; classical with R, classical MLS with round cell portion; unusual, MLS with unusual findings. See details in text.

ND, not detected.

CDF, continuous disease free; NED, no evidence of disease; AWD, alive with disease; DOD, dead of disease.

Synchronous multifocal lesions in shoulder, chest wall, and lung.