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After that, the regimen was modified, and he continued treatment. More than 4 years have passed since the start of treatment, but the treatment has been continued without a decline in ADL.A 65-year-old woman was referred for further examination following positive results on a fecal occult blood test. Colonoscopy revealed type 0-Ⅱa cancer, with a lesion measuring 2 cm in diameter in the rectosigmoid colon, and type 5 cancer, with a lesion measuring 6 cm in diameter in the upper rectum. Computed tomography(CT)and positron emission tomography (PET)-CT revealed mesorectal lymph node metastases. Therefore, she was diagnosed with rectosigmoid colon cancer(Stage Ⅰ)and upper rectal cancer(Stage Ⅲa). However, PET-CT also revealed slight fluorodeoxyglucose uptake in the paraaortic and lateral lymph node lesions; hence, the possibility ofmetastasis could not be ruled out. Given that chemotherapy was restricted due to renal dysfunction, low anterior resection was performed as the first choice. Analysis of intraoperative frozen sections showed paraaortic and lateral lymph node metastases; thus, we performed lymph node dissection of these lesions. Pathological examination ofthe resected lymph nodes revealed that 21 of 37 lesions were cancer metastases. S-1 was administered as adjuvant chemotherapy for 5 months. Mediastinal lymph node metastases was suspected on chest CT 5 months and 3 years post-surgery; thus, panitumumab was administrated. These lymph nodes decreased in size immediately. Six years after the first surgery, the patient was well without any signs of recurrence.A 78-year-old man presented with anemia, with a hemoglobin level of 6.7 g/dL, during follow-up for angina pectoris and paroxysmal atrial fibrillation. Upper gastrointestinal endoscopy revealed type 2 advanced gastric cancer(por), and abdominal computed tomography(CT)showed multiple lymph node metastases. He was diagnosed with advanced gastric cancer, cStage Ⅲ(cT3N1M0). He received neoadjuvant chemotherapy in 3 courses of SOX(80mg/m / 2/day of S-1 on days 1-14 and 7 days of rest, and 100mg/m2 of oxaliplatin on day 1). Grade 1 thrombocytopenia was observed, but it resolved without any other major side effects. Upper gastrointestinal endoscopy revealed a marked reduction in the primary lesion, and abdominal CT showed a significant reduction in the metastatic lymph node. click here We performed laparoscopic distal gastrectomy(D2+No. 14v)for advanced gastric cancer ycT1N(+)M0, ycStage ⅡA. Histological assessment revealed no evidence of residual tumor cells in the primary tumor or lymph nodes, and the histologic response was classified as Grade 3, pathological complete response(pCR). We report a case in which pCR was obtained by SOX therapy administered as neoadjuvant chemotherapy for advanced gastric cancer.We report a case in which recurrent partial HER2-positive gastric cancer showed complete clinical response to capecitabine (Cape)/oxaliplatin(L-OHP/OX)(CapeOX)plus trastuzumab(Tmab)combined chemotherapy for 32months. A 65-yearold man underwent distal gastrectomy, D2 lymph node dissection, and Roux-en-Y reconstruction for type 2 gastric cancer of the prepyloric anterior wall in December 2014. Pathological stage was as follows L, ant, Type 2, 32×22 mm, tub1>tub2> por1, pT2(MP), int>med, INF c>a, Ly1a, V0, pN0, cM0, cH0, cP0, pCY0, pStage I B, pPM0(60mm), pDM0(75mm), pR0. Immunostaining of the tumor indicated overexpression of the HER2 gene in more than 10% of the well differentiated tubular adenocarcinoma(tub1). Nineteen months post-surgery, pancreatic head lymph node metastasis was diagnosed, and we started CapeOX plus Tmab combined chemotherapy. After 19 courses, the metastatic lymph node reduced its size until we could not detect it on CT. We continued treatment for 45 courses(about 32 months). During the courses, there were adverse events such as peripheral neuropathy(Grade 3, CTCAE v5.0), which required interruption of L-OHP, and oral mucosal ulcer (Grade 2).A patient in his 60s had undergone laparoscopic anterior resection for the treatment of carcinoma of the rectum in February 2016. Histopathologic examination revealed the lesion as a pT2(MP)n(-)M0, fStage Ⅰrectal cancer. One year post-surgery, contrast-enhanced computed tomography(CT)revealed enhancement of parts of the intrapancreatic distal bile ducts. Magnetic resonance cholangiopancreatography(MRCP)showed filling defects at the same site. Magnetic resonance imaging( MRI)with an endorectal coil(ERC)was then performed to identify reproducible bile duct filling defects. Neither cytology nor biopsy yielded any findings that definitely indicated malignancy. Intraductal ultrasonography(IDUS)led to the suspicion of a nonepithelial tumor or an enlarged lymph node. Repeated biopsies via ERC were performed based on the absence of evidence of malignancy and revealed the presence of some atypical cells within the lesions. Although no definitive diagnosis could be made, the patient was scheduled for surgery in June 20diagnosis can be established despite repeated biopsy explorations.A 41-year-old man with upper abdominal and back pain was admitted to another hospital. He had a history of recurring acute pancreatitis and pseudocyst. Six months later, abdominal CT revealed a pancreatic head tumor arising from the pseudocyst, and adenocarcinoma was suspected based on endoscopic ultrasound fine needle aspiration(EUS-FNA)findings. We selected neoadjuvant chemotherapy because resection was difficult due to severe inflammation and edema around the tumor. Chemotherapy(FOLFIRINOX followed by gemcitabine plus nab-paclitaxel)was effective, and the tumor almost disappeared on CT. Subtotal stomach-preserving pancreatoduodenectomy(SSPPD)was performed 12 months after starting chemotherapy, and curative resection was successful. The final Stage was ⅡA(T3[CH1]N0M0). Histopathological examination revealed no viable tumor cells. S-1 adjuvant chemotherapy was administered for 6 months. He was still alive 22 months postoperation without any recurrence. Neoadjuvant chemotherapy is effective in cases involving pancreatic cancer with severe inflammation, because pre-operative chemotherapy can reduce tumor size and alleviate the inflammation caused by acute pancreatitis and pseudocysts.
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