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Table 2 Pathological features of patients with localized PG-DLBCL

From: Localized primary gastrointestinal diffuse large B cell lymphoma received a surgical approach: an analysis of prognostic factors and comparison of staging systems in 101 patients from a single institution

Characteristics

N (%)

5-year RFS

P value

5-year OS

P value

Tumor morphology

Ulcerative type

12 (12)

87.5 ± 11.7 %

0.251

87.5 ± 11.7 %

0.244

Diffuse type

18 (18)

68.0 ± 12.0 %

66.7 ± 12.4 %

Massive type

71 (70)

86.9 ± 4.7 %

88.1 ± 4.6 %

Depth of invasion

Mucosa/submucosa

0

–

0.022

–

0.029

Muscularis propria/subserosa

40 (40)

95.8 ± 4.1 %

94.7 ± 5.1 %

Beyond serosa (visceral peritoneum) without invasion of adjacent structures

43 (42)

71.3 ± 8.1 %

73.7 ± 8.0 %

Involvement of adjacent structures or organs

18 (18)

81.1 ± 9.9 %

80.4 ± 10.2 %

Involvement of regional lymph nodes

Negative

48 (48)

90.8 ± 5.1 %

0.038

89.4 ± 6.0 %

0.048

Positive

53 (52)

75.8 ± 6.7 %

77.8 ± 6.5 %

Invasion to adjacent structures or organs

No

79 (78)

87.8 ± 4.4 %

0.024

86.5 ± 4.8 %

0.028

Yes

22 (22)

69.4 ± 10.5 %

73.6 ± 10.2 %

High level of Ki-67

Negative

76 (75)

90.1 ± 3.8 %

<0.001

91.3 ± 3.8 %

<0.001

Positive

25 (25)

52.6 ± 14.4 %

48.0 ± 14.5 %

Bcl-2 expression

Negative

53 (52)

97.8 ± 2.2 %

<0.001

97.6 ± 2.4 %

<0.001

Positive

48 (48)

65.8 ± 8.2 %

65.8 ± 8.7 %

  1. Abbreviations: PG-DLBCL primary gastrointestinal diffuse large B cell lymphoma, RFS relapse-free survival, OS overall survival