Table 2.

Recurrence patterns and salvage therapies

Group	Radiation field Chemotherapy	Recurrence time	Recurrence area	Salvage therapy	Outcome Observation period
dCRT	Local	6 mos	Thoracic vertebrae	No therapy	Death from cancer
	Low-dose FP				8.3 mos
dCRT	Local	15.2 mos	Local	Argon plasma	Death from cancer
	Low-dose 5-FU			Coagulation	34.2 mos
dCRT	Local	8.7 mos	Local	Surgery	Death from other cause
	St-dose FP				18.1 mos
dCRT	Long T	11.2 mos	Local	ESD	No evidence of recurrence
	Low-dose FP				85.9 mos
dCRT	Local	11.2 mos	LN	Radiation	Death from other cause
	St-dose FP		(Out of field)		19.3 mos
dCRT	Long T	0 month	Local	ESD	Treatment-related death
	St-dose FP				28.2 mos
dCRT	Short T	9.2 mos	Local	Surgery	Death from other cause
	St-dose FP				29.4 mos
dCRT	Local	16.5 mos	Local	ESD	Alive with cancer
	Low-dose 5-FU				21.7 mos
dCRT	Long T	Unknown	Carcinomatous	No therapy	Death from cancer
	Low-dose 5-FU		pericarditis		46.5 mos
ESD-CRT	Long T	14.4 mos	LN	Surgery	No evidence of recurrence
	St-dose FP		(Out of field)		68.9 mos

Abbreviations: ESD endoscopic submucosal dissection, FP 5-FU + CDDP, St-dose standard-dose, LN lymph node.