Table 1.

Clinical data

Case number	Site	Age and sex
1	Oesophagus	27 years, male, AIDS, D*
2	Stomach, antrum	28 years, female
3	Stomach, antrum	37 years, female
4	Stomach, antrum	60 years, male HP
5	Duodenum	27 years, male, AIDS, D*
6	Duodenum	36 years, male, AIDS, D
7	Duodenum	27 years, male, AIDS, D*
8	Ileum	61 years, male
9	Ileum	45 years, male
10	Jejunum	32 years, female
11	Small intestine	Not available
12	Small intestine	Not available
13	Colon	61 years, male
14	Colon	48 years, male
15	Colon	24 years, male AIDS, RB
16	Colon	56 years, female
17	Rectum	61 years, male
18	Rectum	60 years, female
19	Rectum	63 years, male
20	Rectum	70 years, male
21	Rectum	29 years, male, AIDS, D

^*Same patient, with sampling at different times. D: diarrhoea; AIDS: acquired immunodeficiency syndrome; HP: Helicobacter pylori; RB: rectal bleeding.