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Table 1 Summary of 5 cases of collision gastric adenocarcinoma

From: Diagnosis and clinical implication of collision gastric adenocarcinomas: a case report

No.

Age

Sex

Surgery

Number of cancer

Collision cancer

Other cancer

Location

First cancer

Second cancer

 

Macroscopic type

Size (mm)

Depth of invasion

Histology

MMR

Macroscopic type

Size (mm)

Depth of invasion

Histology

MMR

Location

Macroscopic type, depth of invasion, histology

1

66

F

Distal Gx

2

LM

2

45

mp

por1

D

0–IIc

50

sm2

tub2

D

  

2

66

F

Distal Gx

2

L

0–IIc

25

sm2

tub2

D

0–IIc

40

sm2

por1

D

  

3

78

M

Total Gx

5

L

0–IIc

30

sm2

por2

P

1

40

mp

tub1

D

U

M

L

Type 3, ss, tub2 > por, pMMR

0-IIc, m, tub1, pMMR

Type 3, mp, por, pMMR

4

81

M

Distal Gx

2

LM

0–IIc

20

m

tub1, CK7( +)

D

0–IIc

30

sm1

tub1, CK7(−)

D

  

5

75

M

Total Gx

3

L

0–IIa + IIc

25

sm2

tub2,

CK7( +), MUC2(−)

D

2

60

mp

tub2,

CK7 focal ( +), MUC2 focal( +)

D

L

0-IIa, m, tub1, dMMR

  1. CK7 cytokeratin 7, Gx gastrectomy, L lower stomach, M middle stomach, MMR mismatch repair, D deficient, P proficient