Table 1.

Description of metachronous mediastinal lymph node metastasis cases from colorectal cancer.

Case No.	Reference	Age	Sex	Primary location	Primary stage	CEA	FDG-PET	Time after primary resection (months)	Treatment	Follow-up period (months)	Recurrence
1	Kuba et al. [4]	60	F	sigmoid	IIIB	elevated	NL	33	resection	NL	NL
2	Iwata et al. [5]	75	M	ascending	IIIA	elevated	uptake	42	resection	13	none
3	Musallam et al. [6]	67	M	rectum	IIIB	normal	uptake	26	NL	NL	NL
4	Matsuda et al. [7]	65	M	sigmoid	IIIB	normal	uptake	101	resection	72	none
5	Matsuda et al. [7]	50	M	rectum	IIIB	elevated	uptake	96	resection	4	none
6	Shirakawa et al. [8]	65	M	rectum	IIIA	elevated	uptake	55	resection	NL	NL
7	Our case, 2016	59	M	ascending	IIIB	normal	uptake	32	resection	20	none

CEA: carcinoembryonic antigen.

FDG-PET: ¹⁸F-fluorodeoxyglucose positron emission tomography.

NL: not listed.