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We report 4 cases of liver metastasis from renal cell carcinoma(RCC). Case 1: 72 years old, female. Pancreatic metastasis was resected 7 years after resection of left RCC, and hepatic posterior sectionectomy was performed for multiple liver metastases 2 years later. After that, multi-organ metastasis appeared and she died of the primary disease. Case 2: 72 years old, male. Liver metastasis and right RCC appeared 16 years after resection of left RCC, and hepatic posterior sectionectomy and partial resection of right kidney were performed. Nine months later, liver metastasis recurred and hepatic partial resection was performed. Case 3: 55 years old, male. After surgery for right RCC with tumor thrombus in the right atrium, multiple lung and liver metastases appeared, and hepatic central bisectionectomy was performed after chemotherapy. Case 4: 60 years old, male. Multiple pancreatic and lung metastases appeared 10 years after resection of left RCC, and most of them shrank or disappeared with chemotherapy. But increasing metastases appeared in the tail of pancreas and the right lobe of liver 16 months later, and hepatic subsegmentectomy and distal pancreatectomy were performed. Multidisciplinary treatment such as aggressive chemotherapy and excision is expected to improve the prognosis for liver metastasis from RCC.

We investigated the significance of transitions in the neutrophil-to-lymphocyte ratio(NLR)before and after TACE for HCC could be a predictor of prognosis. The subjects were 108 patients with the first TACE performed from January 2010 to December 2019. NLR was calculated before and 1 month after TACE, and the relationship with therapeutic effect and prognosis was examined. When the transition of NLR before and after TACE was classified into 3 groups with a cut-off value of 5.0, group A(less than 5.0 after TACE): 52 cases(48.1%), group B(5.0 or more after TACE): 33 cases(30.6%)and C group(5.0 or more before and after TACE): 23 cases(21.3%). Median survival time were 25.0 months in group A, 18.5 months in group B, and 12.7 months in group C(p=0.0005). In multivariate analysis, treatment effect, NLR transition, AFP value, and serum albumin level were prognostic factors for HCC after TACE. Changes in NLR before and after TACE may help predict more detailed prognosis.

We hereby report a case of advanced and recurrent colon cancer with long-term survival after 7 repeated surgical resections. A 73-year-old woman initially underwent right hemicolectomy and partial hepatectomy for an ascending colon cancer with synchronous liver metastasis. Pathological diagnosis of the tumors were moderately differentiated adenocarcinoma and metastasis to the liver compatibly. Final clinical stage was diagnosed as fT3N2M1(H1), fStage Ⅳ. But she was interrupted oxaliplatin-based adjuvant chemotherapy after 6 courses of CAPOX because of adverse drug reaction. One year after first operation, partial resection of right lung was performed for lung metastasis. Two years after first operation, 2nd resection of liver was performed for 2 liver metastatic lesions. Three years after first operation, 3rd partial liver resection, 2nd and 3rd partial lung resections were performed for metachronous metastases during 1 year. After 3 years recurrence free period, she complained of an induration of right neck and diagnosed as neck and supra clavicular lymph nodes metastases. Lymph nodes resection was performed. After the last operation, she has no sign of cancer recurrence for 1 year and 7 months, eventually she has been alive for 7 years and 7 months after the initial operation.

A 74-year-old man underwent a medical examination for anemia and had a positive fecal occult blood test. Ascending colon cancer was detected by colonoscopy. Since it was unresectable, a bypass operation was performed to prevent digestive symptoms prior to chemotherapy. The bypass was performed by cutting the ileum and attaching the oral side to the transverse colon with side to side anastomosis. The other end of the terminal ileum was anastomosed to the transverse colon on the oral side of the prior anastomosis, making a pretzel shaped bypass. There were no postoperative complications and the patient was treated with chemotherapy from postoperative day 23.

A 77-year-old woman with back and epigastric pains was diagnosed with pancreatic head cancer according to the result of contrast computed tomography, which showed a 25mm irregular low-density area at the pancreatic head infiltrating nearly half of the superior mesenteric plexus. There were no findings of lymph node metastasis or distant metastasis. The pretreatment diagnosis was borderline resectable(BR)pancreatic head cancer, cT3, N0, M0, cStage ⅡA. The patient was treated with gemcitabine plus nab-paclitaxel therapy. She developed Grade 3 neutropenia, and the dose was adjusted in order to continue chemotherapy. The size of the tumor had reduced to 15mm after 6 courses of the therapy, and the infiltration into the superior mesenteric plexus had also reduced. Therefore, the patient underwent subtotal stomach-preserving pancreatoduodenectomy and D2 lymph node dissection. The histopathological findings were invasive ductal carcinoma with R0 radical resection. The efficacy of preoperative adjuvant chemotherapy for BR pancreatic cancer has not been established yet, but improving the R0 resection rate with preoperative chemotherapy may contribute to an improvement in the outcome of pancreatic cancer.

Case1: A 63-year-old woman with diarrhea and hematochezia was diagnosed as having rectal cancer invading the pelvis. Six courses of the 5-fluorouracil, leucovorin, and oxaliplatin( mFOLFOX6) plus panitumumab regimen were administered after sigmoid colostomy, following which low anterior resection was performed. Since the 6 courses of mFOLFOX6 were administered postoperatively, no evidence of recurrence has been observed for 18 months. Case2: A 52-year-old man with high fever and abdominal pain was diagnosed as having rectal cancer invading the bladder with a vesicorectal fistula. After transverse colostomy and 6 courses of mFOLFOX6 plus panitumumab, high anterior resection with partial cystectomy was performed. Since the 8 courses of capecitabine plus oxaliplatin (XELOX) were administered postoperatively, no evidence of recurrence has been observed for 12 months. Although no consensus has been reached pertaining to the use of neoadjuvant chemotherapy for the treatment of colorectal cancer, we could, in this study, demonstrate the efficacy of neoadjuvant chemotherapy with panitumumab for the treatment of locally advanced colorectal cancer.