Table 2

Characteristics of patients with inguinoscrotal liposarcoma

Characteristic	Patient 7	Patient 8	Patient 9	Patient 10	Patient 11	Patient 12	Patient 13
Sex	Male	Male	Female	Male	Male	Male	Male
Age, yr	57	59	28	63	61	54	43
Laterality	Left	Right	Left	Right	Right	Left	Right
Scrotal involvement	No	Yes	N/A	Yes	Yes	Yes	No
Symptom	Palpable mass	Scrotal pain	Palpable mass	Swelling	Palpable mass	Palpable mass	Palpable mass, swelling
First operation centre	SMC	Outside	Outside	Outside	Outside	Outside	Outside
Delay of operation, mo	0	0	0	1	0	0	0
Resected organs during first operation	Mass	Mass	Mass	Mass, testis, epididymis, vas deferens	Mass, vas deferens	Mass	Mass
Tumour size, cm	4.5	4	8	12	3	9	14
Histology	DDLPS	DDLPS	Myxoid/round	DDLPS	WDLPS	DDLPS	DDLPS
Grade	2	1	N/A	2	1	1	1
Margin	Positive	N/A	Positive	N/A	N/A	N/A	Negative
Organ invasion	Negative	N/A	N/A	N/A	N/A	N/A	N/A
Postoperative complication	None	None	None	None	None	None	None
No. operations before SMC	0	1	1	1	1	1	1
Reason for operation in SMC	N/A	Completion	Recurrence	Recurrence	Recurrence	Recurrence	Completion
Adjuvant therapy	Radiotherapy after first operation	Radiotherapy	Radiotherapy after second operation, chemotherapy after fourth operation for lung metastasis	Radiotherapy after second operation	None	Radiotherapy after second operation	Radiotherapy after second operation
Recurrence after operation in SMC	Yes	No	Yes	Yes	Yes	Yes	No
Operation after recurrence	Yes	N/A	Yes (VATS lobectomy)	Yes	Yes	Yes	N/A
Total no. recurrences	1	0	6	1	5	1	0
Recurrence	Local	N/A	Local, distant (lung)	Local	Local	Local	N/A
Disease-free survival, mo	7	29	18	8	82	1	47
Death	No	No	No	No	No	No	No
Total follow-up, mo	39	29	173	32	167	13	47
Final status	Disease-free	Disease-free	Disease-free	Disease-free	Disease-free	Disease-free	Disease-free
Inoperable disease-free survival, mo	39	29	173	32	167	13	47

DDLPS = de-differentiated liposarcoma; N/A = not applicable; SMC = Samsung Medical Center; VATS = video-assisted thoracoscopic surgery; WDLPS = well-differentiated liposarcoma.