Table 2. Individual features of 26 FAP patients at the time of endoscopic ampullectomy.

Patient No.	Age at diagnosis of ampullary adenoma	Sex	Spigelman stage at diagnosis	Ampulla pathology	Malignancies prior to ampullectomy
A#1	19	F	Stage II	TA* with LGD	Thyroid carcinoma
A#2	53	F	Stage IV	Adenoma with HGD, LM(+)**/DM(+)***
A#3	45	M	Stage II	TA with LGD, LM(+)/DM(+)
A#4	26	M	Stage II	Adenoma with LGD
A#5	20	F	Stage II	TA with LGD
A#6	49	F	Stage II	TA with LGD	Endometrial carcinoma
A#7	63	F	Stage II	TA with LGD LM(+)/DM(+)	Skin cancer
A#8	32	F	Stage II	TA with LGD
A#9	38	F	Stage II	TA with LGD
A#10	28	F	Stage II	TA with LGD, DM(+)
A#11	23	F	Stage I	TA with LGD, DM(+)
A#12	45	M	Stage III	TA with LGD	Rectal cancer
A#13	48	M	Stage II	Adenoma with LGD LM(+)/DM(+)	Sigmoid cancer
A#14	55	F	Stage II	TA with LGD LM(+)
A#15	36	M	Stage II	TA with LGD DM(+)
B#1	42	F	Stage III	Adenoma with HGD, LM(+)/DM(+)
B#2	39	F	Stage II	TA with LGD, LM(+)	Papillary thyroid cancer
B#3	28	F	Stage III	TA with HGD, LM(+)
B#4	34	F	Stage II	TA with LGD, LM(+)	Endometrial adenocarcinoma
B#5	33	M	Stage II	TA with LGD	Rectal cancer
B#6	59	F	Stage II	failure to retrieve ampullectomy tissue
B#7	52	F	Stage II	TA with LGD, LM(+)/DM(+)
B#8	32	M	Stage II	TA with LGD
B#9	38	F	Stage II	Adenoma with LGD LM(+)/DM(+)
B#10	76	M	Stage II	TA with LGD LM(+)/DM(+)	Duodenal cancer
B#11	37	M	Stage II	TA with LGD LM(+)

^*TA: tubular adenoma

^**LM(+): lateral resection margin positive

^***DM(+): deep resection margin positive