Table 2.

Fifteen cases of refractory PRMS including this one.

No.	Age	Location	Treatment	Metastasis and recurrent	Prognosis	Reference
1	80	Neck	Surg, chemo	Skin	Died of disease	(13)
2	70	Left thigh	Chemo	Lung	Alive without disease 12 months	(14)
3	19	Right thigh	Immu	Lung	Durable CR after 12 months	(15)
4	78	Sacrum	Surg	Liver, lung	Died of disease after 12 months	(16)
5	43	Leg	NA	Lung	Died of disease after 6 months	(17)
6	77	Arm	Surg, chemo	Regional LN	Alive without disease 13 months	(18)
7	72	Scalp	Surg, chemo	Skin, regional LN	Alive uncertain disease status 23 months	(18)
8	78	Leg	Surg	Lung	Died of disease after 12 months	(18)
9	41	Orbit	Surg, chemo	Lung, bone, local recurrence	Died of disease after 6 months	(19)
10	65	Submandibular	Surg, chemo	Local recurrence	Alive without disease 12 months	(20)
11	89	cheek	Surg	Local recurrence	Died of disease after 2 months	(21)
12	90	Uterine	Surg	NA	Dies of disease after 6 months	(14)
13	80	Uterine	Surg, chemo	NA	Died of disease after 6 months	(14)
14	50	Back	Surg, chemo	Regional LN	Alive with disease 2 months	(22)
15	12	Left elbow	Surg, immu	Lung metastasis	Durable CR after 45 months	Present case

Chemo, chemotherapy; Immu, immunotherapy; LN, lymph nodes; NA, not available; Surg, surgery.