Table 1

Demographics, presenting features and clinical findings in 16 consecutive cases of gastrointestinal lymphoma

Case	Gender	Clinical presentation	Endoscopy
1	Female	Dyspepsia	Antral ‘gastritis’, duodenitis
2	Male	Chronic diarrhoea	Multiple colonic polyps
3	Male	Positive stool DNA testing	Ulcerated mass at splenic flexure and ascending colon
4	Male	Food impaction, dysphagia	Clean-based gastric ulcers
5	Male	Melena	Fungating, ulcerated circumferential mass in the gastric fundus
6	Male	Gastric outlet obstruction	Fungating, infiltrative, ulcerated circumferential mass in gastric body
7	Female	Haematemesis	Large cratered necrotic duodenal ulcer
8	Male	Intussusception at terminal ileum (TI)	Partially obstructing mass at the ileocaecal valve
9	Male	Abdominal pain	Fungating, partially obstructing mass in ascending colon and caecum
10	Female	Epigastric pain	Patchy mild erythema in duodenum
11	Male	Haematochezia	3 cm ulcerated non-obstructing polypoid mass in the terminal ileum
12	Female	Abdominal pain	Partially obstructing tumour in the caecum
13	Male	Abnormal abdominal imaging, anaemia	Partially obstructing mass at the ileocaecal valve
14	Female	Profound hypoalbuminaemia (malnutrition), anasarca	Mucosal changes in jejunum
15	Male	Severe anaemia, abdominal pain	Non-obstructing, circumferential, polypoid mass in the terminal ileum
16	Female	Iron deficiency anaemia	Large, ulcerated, non-obstructing mass at ileocaecal valve