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We report a case of mediastinal lymph node recurrence of esophageal cancer after endoscopic submucosal dissection (ESD). We first administered chemotherapy and then performed esophagectomy. A 78-year-old man underwent ESD for early esophageal cancer at a different hospital in January 2015. H e was diagnosed pathologically with scc, pSM1, pHM1, pVM0, ly0, v0. Additional treatment was not administered because of his age. In June 2017, chest enhanced CT showed swollen mediastinal lymph nodes. This was diagnosed as a recurrence of esophageal cancer, and he presented at our hospital. We first performed chemotherapy for that lesion, because the swollen lymph node was large and may have invaded the surrounding organs. We then performed esophagectomy.

An 81-year-old man with esophageal cancer had undergone subtotal thoracic esophagectomy and retrosternal reconstruction using a gastric tube. He developed anemia. Gastrointestinal endoscopy was performed, which revealed a tumor in the posterior wall of the lower part of the gastric tube. Biopsy revealed well-differentiated adenocarcinoma. There was no lymph node metastasis and no distal metastasis on CT. We performed partial resection of the stomach tube because of his age and physical condition. We identified the position of the tumor by upper gastrointestinal series CT and gastrointestinal endoscopy. The tumor was located on the posterior wall of the lower part of the gastric tube and the back of the sternum lower border. Marking was performed by gastrointestinal endoscopy before operation. We simulated the operation and decided to perform laparostomy without sternotomy incision. We cut the anterior wall of the gastric tube in front of the tumor using the endoscope. We could then confirm the diagnosis of cancer, and clipped and removed the tumor from the posterior wall. The resected site was sutured with 4-0 absorbable thread. The pathological diagnosis was T1a(M)N0M0, ly0, v0, PM0, DM0, pStage ⅠA.

We report a rare case of liver recurrence of gastric cancer 14 years and 3 months after curative gastrectomy. An 81-yearold man underwent total gastrectomy, D2 lymphadenectomy, Roux-en-Y reconstruction, and cholecystectomy for advanced gastric cancer in November 2002. H e was diagnosed pathologically with M, Type 5, 53×42 mm, tub2tub1, pT4a, ly2, v2, pN1, pPM0, pDM0, M0, pStage ⅢA(JGCA 15th). Postoperative adjuvant therapy was not administered. He was followed up for 5 years after surgery without adjuvant therapy, and he did not exhibit recurrence. In February 2017, he experienced difficulties in swallowing and visited our hospital. Abdominal contrast-enhanced CT showed an 8×5 cm liver tumor in the lateral segment. Part of the tumor protruded to outside of the liver, and the tumor invaded and pushed the jejunum in the Roux limb. We performed liver biopsy and diagnosed him with liver metastasis of recurrent gastric cancer. Late relapse after gastrectomy, especially after 10 years or more, is very rare.

A 79-year-old man with cStage II A(T2N1H0P0CYXM0)advanced gastric cancer in angle. Distal gastrectomy was performed and liver metastasis was recognized during the operation. The pathological diagnosis was shown as neuroendocrine carcinoma(NEC). Chemotherapy(S-1/cisplatin[CDDP]: 1 course, etoposide/CDDP: 5 courses)was administered. After chemotherapy, liver metastasis disappeared for 9months.

Case 1: A 69-year-old man underwent distal gastrectomy in September 2007 for type 2 gastric cancer with liver metastasis (S5). After the operation, we administered chemotherapy. After that, we performed partial hepatectomy in July 2008. After hepatectomy, liver metastases appeared as 2 lesions in February 2009. Thus, we administered another type of chemotherapy. The effect of the chemotherapy was not favorable. Therefore, SBRT was performed for the liver metastases in December. After SBRT, he did not present with any recurrent tumors. Case 2: A 67-year-old woman underwent distal gastrectomy in March 2015. In August 2015, hepatic metastasis(S5 single shoot)was confirmed. Although chemotherapy was administered and SD was continued, it was ceased due to the patient's request. Thus, SBRT was performed in July 2016. However, from October 2016, multiple liver metastases developed and she died in January 2017.

A 70-year-old man with cStage III A(cT3N2H0P0CYXM0)advanced gastric cancer in the lesser curvature with esophageal invasion and bulky lymph nodes was treated with S-1/CDDP. After 4 courses of chemotherapy, the tumor and lymph nodes were found to be reduced in a CT examination. Total gastrectomy with lymph node dissection(D2)was performed. Histopathological examination revealed no cancer cells in the stomach or lymph nodes, indicating Grade 3.

Neoadjuvant chemotherapy(NAC)for esophageal cancer is standard in Japan. However, the value of neoadjuvant chemoradiation therapy(NACRT)is unknown. Thirteen patients with cStage II and III squamous cell carcinoma of the esopha- gus were treated with NACRT(CDDP 70mg/m2/day on day 1, 5-FU 70 mg/m2/day on days 1-4, radiation 30 Gy/15 Fr). We report 3 pathological CR cases and 10 non-CR cases of esophageal cancer. Between the CR and non-CR group there was no difference in the incidence of postoperative complications. No serious adverse events were observed. There were no significant differences in OS and RFS. Five cases relapsed in the non-CR group. There were no relapsed cases in the CR group.

We examined the effectiveness of partial gastrectomy in the elderly. Twelve patients who underwent partial gastrectomy for gastric cancer in our hospital had an average of 2.75 comorbidities before surgery. Two patients relapsed, and 2 patients died from other diseases. The depth of the gastric tumor was T2 in patients with recurrence. Partial gastrectomy should be considered carefully for advanced stage cancer. There were only small changes in weight, PS, and nutrition before and after surgery, suggesting that partial gastrectomy is effective.