Table 1.

Analysis of the surgically excised gastrointestinal lesions from 1998 to 2004

Category	Year	Esophagus	Stomach	Small intestine	Appendix	Colorectum	Other	Total
Non-neoplastic	1998	9	85	91	796	618	0	1,599
	1999	10	94	126	811	563	0	1,604
	2000	4	39	113	816	806	0	1,778
	2001	14	69	134	900	1,136	0	2,253
	2002	6	94	46	835	1,262	0	2,243
	2003	8	73	127	695	654	0	1,557
	2004	11	78	91	796	754	0	1,730
Neoplastic	1998	18	82	25	4	528	0	657
	1999	19	76	28	7	592	1	723
	2000	25	50	23	0	419	1	518
	2001	28	100	22	8	436	2	596
	2002	30	109	15	5	449	1	609
	2003	22	78	28	0	692	0	820
	2004	33	95	34	0	1,007	2	1,171
1. Epithelial	1998	17	71	17	3	518	0	626
	1999	19	66	12	7	579	0	683
	2000	24	38	11	0	409	0	482
	2001	28	86	4	8	430	0	556
	2002	27	96	8	5	440	0	576
	2003	20	69	23	0	683	0	795
	2004	31	84	20	0	994	0	1,129
Carcinoma	1998	14	60	14	2	168	0	258
	1999	18	54	7	1	177	0	257
	2000	19	33	11	0	84	0	147
	2001	21	70	0	0	96	0	187
	2002	22	70	6	0	120	0	218
	2003	17	54	12	0	264	0	347
	2004	25	69	14	0	305	0	413
2. Mesenchymal	1998	1	10	8	0	3	0	22a
	1999	0	7	13	0	3	1	24
	2000	1	9	10	0	5	1	26
	2001	0	13	11	0	0	2	26
	2002	3	11	6	0	4	1	25
	2003	2	9	2	0	3	0	16
	2004	2	10	13	0	1	2	28
GIST	1998	0	7	7	0	0	0	14 (8)b
	1999	0	7	5	0	1	1	14 (10)
	2000	0	5	7	0	2	1	15 (13)
	2001	0	10	6	0	0	2	18 (15)
	2002	0	9	3	0	1	1	15 (14)
	2003	0	8	1	0	2	0	11
	2004	0	7	11	0	0	2	20
3. Other tumors	1998	0	1	0	1	7	0	9
	1999	0	3	3	0	10	0	16
	2000	0	3	2	0	5	0	10
	2001	0	1	9	0	6	0	16
	2002	0	2	1	0	5	0	8
	2003	0	0	3	0	6	0	9
	2004	0	1	1	0	12	0	14
Total	1998	27	167	116	800	1,146	0	2,256
	1999	29	170	154	818	1,155	1	2,327
	2000	29	89	136	816	1,225	1	2,296
	2001	42	169	156	908	1,572	2	2,849
	2002	36	203	61	840	1,711	1	2,852
	2003	30	151	155	695	1,346	0	2,377
	2004	44	173	125	796	1,761	2	2,901

^aGastrointestinal mesenchymal tumors including both GISTs and non-GISTs.

^bNumbers in parentheses represent the cases originally diagnosed as GIST.