1. Kyung Hee University, Seoul, Korea GI Conference UGI Conference Presented by Byeong-Joo Noh Supervised by Youn-Wha Kim Kyung Hee University, Seoul, Korea

2. CASE 1 M/77 2015.04.29 Pleural fluid 2015.05.07 Pleural fluid 2015.05.22 Pleura, Biopsy

3. Kyung Hee University, Seoul, Korea Pleura fluid P-2015-04080 Atypical cells, suspicious for carcinoma

4. Kyung Hee University, Seoul, Korea Pleura fluid P-2015-04345 Metastatic adenocarcinoma

5. Kyung Hee University, Seoul, Korea Pleura, right, biopsy S-2015-07761 X100

6. Kyung Hee University, Seoul, Korea Pleura, right, biopsy S-2015-07761 X400

7. Kyung Hee University, Seoul, Korea CK (+)D2-40, Calretinin, CK5/6 (-)

8. Kyung Hee University, Seoul, Korea Napsin A (+)TTF-1 (+)

9. Kyung Hee University, Seoul, Korea Diagnosis Pleura, right, biopsy: Adenocarcinoma, poorly differentiated (History of stomach cancer) > The findings of morphology and immunohistochemical stain, the possibility of lung primary can be considered, rather than stomach primary.

10. Kyung Hee University, Seoul, Korea CASE 2 M/52 2013.04.18 Stomach, total gastrectomy 2015.04.29 Colon, biopsy 2015.04.30 Perineum, biopsy

11. Kyung Hee University, Seoul, Korea Stomach, total gastrectomy S-2013-06482

12. Kyung Hee University, Seoul, Korea Stomach, total gastrectomy S-2013-06482

13. Kyung Hee University, Seoul, Korea X100 Stomach, total gastrectomy S-2013-06482

14. Kyung Hee University, Seoul, Korea X200 Stomach, total gastrectomy S-2013-06482

15. Kyung Hee University, Seoul, Korea X100 Stomach, total gastrectomy S-2013-06482

16. Kyung Hee University, Seoul, Korea Diagnosis Stomach, total gastrectomy Signet ring cell carcinoma 1) Location: Cardia, Body, Antrum 2) Tumor gross type: Bormann type 4 3) Histologic type by Lauren classification: Diffuse 4) Tumor size: 17.0 cm x 12.0 cm x 1.0 cm 5) Depth of invasion: Tumor invades serosa (pT4a) 6) Margins of resection: No tumor (safety margin: proximal 2.0 cm, distal 2.0 cm) 7) Lymphatic invasion: Present 8) Vascular invasion: Not identified 9) Perineural invaision: Present 10) Regional lymph nodes: Metastasis to 2 of 30 regional lymph nodes (2/30, pN1)

17. Kyung Hee University, Seoul, Korea X40 Colon, transverse, distal, biopsy S-2015-06618

18. Kyung Hee University, Seoul, Korea X200 Colon, transverse, distal, biopsy S-2015-06618 Signet ring cell carcinoma (History of stomach cancer)

19. Kyung Hee University, Seoul, Korea X200 Perineum, biopsy S-2015-06668

20. Kyung Hee University, Seoul, Korea X400 Perineum, biopsy S-2015-06668 Metastatic carcinoma

21. Kyung Hee University, Seoul, Korea CASE 3 M/39 2015.03.19 Stomach, biopsy (x3) 2015.05.19 Stomach, wedge resection

22. Kyung Hee University, Seoul, Korea X40 Stomach, high body, anterior wall, biopsy S-2015-04042

23. Kyung Hee University, Seoul, Korea X600 Stomach, high body, anterior wall, biopsy S-2015-04042

24. Kyung Hee University, Seoul, Korea X40 Stomach, high body, lesser curvature, biopsy S-2015-04042

25. Kyung Hee University, Seoul, Korea X40 Stomach, high body, posterior wall, biopsy S-2015-04042

26. Kyung Hee University, Seoul, Korea Stomach, high body, AW, wedge resection S-2015-07522

27. Kyung Hee University, Seoul, Korea Stomach, high body, AW, wedge resection S-2015-07522

28. Kyung Hee University, Seoul, Korea X12.5 Stomach, high body, AW, wedge resection S-2015-07522

29. Kyung Hee University, Seoul, Korea X40 Stomach, high body, AW, wedge resection S-2015-07522

30. Kyung Hee University, Seoul, Korea X40 Stomach, high body, AW, wedge resection S-2015-07522

31. Kyung Hee University, Seoul, Korea Diagnosis Stomach, high body, anterior wall, wedge resection: Hypertrophic gastropathy

32. Kyung Hee University, Seoul, Korea CASE 4 M/72 2015.04.02 Stomach, biopsy (x3) 2015.04.27 Stomach, distal gastrectomy

33. Kyung Hee University, Seoul, Korea X40 Stomach, antrum, anterior wall, biopsy S-2015-04854 Dysplasia, low grade

34. Kyung Hee University, Seoul, Korea X40 Stomach, angle, anterior wall, biopsy S-2015-04854 Dysplasia, low grade

35. Kyung Hee University, Seoul, Korea X40 Stomach, low body, posterior wall, biopsy S-2015-04854

36. Kyung Hee University, Seoul, Korea X100 Stomach, low body, posterior wall, biopsy S-2015-04854 Focal carcinoma with high grade dysplasia

37. Kyung Hee University, Seoul, Korea Stomach, distal gastrectomy S-2015-06425

38. Kyung Hee University, Seoul, Korea Stomach, distal gastrectomy S-2015-06425

39. Kyung Hee University, Seoul, Korea Stomach, distal gastrectomy S-2015-06425

40. Kyung Hee University, Seoul, Korea Stomach, distal gastrectomy S-2015-06425 X12.5

41. Kyung Hee University, Seoul, Korea Stomach, distal gastrectomy S-2015-06425 X40

42. Kyung Hee University, Seoul, Korea Stomach, distal gastrectomy S-2015-06425 X40

43. Kyung Hee University, Seoul, Korea Stomach, distal gastrectomy S-2015-06425 X100

44. Kyung Hee University, Seoul, Korea Stomach, distal gastrectomy S-2015-06425

45. Kyung Hee University, Seoul, Korea Stomach, distal gastrectomy S-2015-06425 X40

46. Kyung Hee University, Seoul, Korea Stomach, distal gastrectomy S-2015-06425 X200

47. Kyung Hee University, Seoul, Korea Stomach, distal gastrectomy S-2015-06425 X200

48. Kyung Hee University, Seoul, Korea Stomach, distal gastrectomy S-2015-06425

49. Kyung Hee University, Seoul, Korea Diagnosis Stomach, distal gastrectomy: Adenocarcinoma, well differentiated 1) Location: Body, posterior wall 2) Tumor gross type: Early gastric carcinoma, type IIa+IIc 3) Histologic type by Lauren classification: Intestinal 4) Tumor size: 2.5 cm x 1.9 cm x 0.25 cm 5) Depth of invasion: Tumor invades submucosa (sm2) (pT1b) 6) Margins of resection: No tumor (safety margin: proximal 3.3 cm, distal 7.0 cm) 7) Lymphatic invasion: Not identified 8) Vascular invasion: Not identified 9) Regional lymph nodes: No metastasis in 26 regional lymph nodes (0/26, pN0) (perigastric: 0/23, LN#8: 0/3, LN#12: 0/0)

50. Kyung Hee University, Seoul, Korea Diagnosis 10) Additional pathologic findings: Dysplasia, low to high grade with 1) Size: 7.0 x 2.2 x 0.15 cm (in extent) 2) Negative resection margins (Safety margins: proximal 0.1 cm (very close), distal 4.5 cm)

51. Kyung Hee University, Seoul, Korea CASE 5 M/72 2015.05.08 Stomach, biopsy (x2)

52. Kyung Hee University, Seoul, Korea X40 Stomach, lesser curvature, biopsy S-2015-07025

53. Kyung Hee University, Seoul, Korea X100 Stomach, lesser curvature, biopsy S-2015-07025 Adenocarcinoma, moderately differentiated

54. Kyung Hee University, Seoul, Korea X100 Esophagus, 27~37 cm from incisor, biopsy S-2015-07026 Ulcer with acute and chronic inflammation