Table 2.

Six metachronous cases diagnosed after initial ESD and subsequent successful eradication.

Case number	Period after eradication (months)	Age	Gender	Morphology	Location	Depth	Size (mm)	Color
Case 1∗	18	78	M	0-IIa → 0-IIa	U → U	M → M	35 → 15	Same as surroundings → redness
Case 2∗	24	78	M	0-IIa → 0-IIc	U → L	M → M	35 → 10	Same as surroundings → redness
Case 3	60	75	M	0-IIc → 0-IIc	M → U	M → SM2	15 → 8	Redness → redness
Case 4	32	89	F	0-I → 0-IIc	M → U	M → M	15 → 5	Same as surroundings → redness
Case 5	72	82	M	0-I → 0-IIc	L → L	M → M	10 → 3	Redness → redness
Case 6	60	76	F	0-I → 0-IIc	L → L	M → M	8 → 20	Redness → redness

^∗Cases 1 and 2 are from the same patient.