Clinicopathological characteristics and surgical value of primary gastrointestinal lymphoma

Table 1 General patient information

Item	Category	Number of cases	Percentage
Basic characteristics
Sex	Male	32	64%
	Female	18	36%
Family history	Yes	16	32%
Behavioral risk factors	Smoking	5	10%
	Alcohol consumption	5	10%
Tumor characteristics
Primary site	Stomach	15	30%
	Intestine	35	70%
Maximum tumor diameter	> 5 cm	23	46%
	≤ 5 cm	16	32%
	Infiltrative growth difficult to evaluate	11	22%
Clinical manifestations
Initial symptom	Abdominal pain	26	52%
	Abdominal mass	8	16%
	Mass with pain	2	4%
	Hematochezia or melena	7	14%
	Others	7	14%
Concurrent symptoms	Pain	40	80%
	Hematochezia/melena	19	38%
	Nausea and vomiting	16	32%
	Weight loss	18	36%
	Anemia	19	38%
Comorbidities	Cardiac disease	8	16%
	Chest disease	20	40%
	Gastritis	13	26%
	Liver disease	17	34%
	Gallbladder disease	8	16%
	Other abdominal diseases	28	56%
	Central nervous system disease	5	10%
	Hypertension	10	20%
	Diabetes	7	14%
Metastasis to other sites		30	60%