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This paper reports a case of refractory ascites in a patient with gastric cancer. A peritoneo-venous shunt(PVS)was inserted in the patient, which contributed to extending the duration of home-based care as well as improving the patient’s quality of life. The patient was a female in her 70s. She was diagnosed with gastric cancer and underwent total gastrectomy. Five years and 7 months after the surgery, she was diagnosed with peritoneal recurrence. Ascites temporarily decreased following chemotherapy, but gradually worsened thereafter. Since the patient required frequent puncture drainage for the ascites, cell-free concentrated ascites reinfusion therapy(CART)was performed. However, on the day prior to the scheduled second course of CART, marked abdominal distension was observed. Therefore, a PVS was inserted. No PVS-associated complications were observed. Following the insertion of the PVS, the patient’s abdominal circumference and body weight markedly improved. Best supportive care(BSC)was provided to the patient as she became weak after undergoing several courses of chemotherapy on an outpatient basis. On the other hand, the PVS was working properly. The patient was able to continue her daily life activities at home. She died from the cancer after 164 days of the PVS insertion.TAGS trial revealed the efficacy and safety of trifluridine/tipiracil(Lonsurf®)treatment in patients with metastatic gastric cancer following gastrectomy. Here, we successfully treated 38 months survival case after recurrences following radical gastrectomy for advanced adenocarcinoma of esophago-gastric junction using historical recommended chemotherapy regimens and trifluridine/tipiracil as a fifth-line chemotherapy. Trifluridine/tipiracil therapy contributed to effective and safety treatment even in late-line chemotherapy for recurrent gastric cancer.Annular pancreas is a rare congenital anomaly that rarely occurs in parallel with malignancy. We herein report a case of annular pancreas with carcinoma of the papilla of Vater. A 76-year-old woman presented with abdominal pain and was referred to us after gastroduodenal endoscopy showed a tumor of the papilla. Preoperative computed tomography confirmed the presence of an ampullary tumor. During surgery, we found an anomaly consisting of a ring-like band of pancreatic tissue encircling the second part of the duodenum. Transduodenal papillectomy with preservation of the annular pancreas was subsequently performed. The patient was discharged without any postoperative morbidity.A 65-year-old man has pointed out a hepatic tumor when he was rushed to the hospital because of disturbance of consciousness associated with hypoglycemia. Abdominal dynamic CT images showed a tumor, 2.5 cm in diameter, in S2/3 close to the umbilical portion of the portal vein, and it had enhancement in the arterial phase and became washout in the portal phase. We performed left lateral segmentectomy with a diagnosis of hepatocellular carcinoma. The tumor was histopathologically diagnosed as a Grade 1 neuroendocrine tumor(NET). As additional examinations could not detect a primary lesion in any other site, the tumor was considered as a primary hepatic NET(PHNET). PHNETs are rare and because of the possibility that an unknown primary lesion exists, we have to observe for years carefully.The patient was a 79-year-old woman with a left breast mass. Magnetic resonance imaging showed a cystic mass with a diameter of 10×8 cm and an ulcer in the upper outer quadrant and the nipple-areola region of the left breast. Intracystic carcinoma was thus suspected. A mass with a diameter of 1 cm was found in the upper outer quadrant of the right breast. Sodium cholate cost Needle biopsy revealed that a cystic mass in the left breast was diagnosed as a malignant phyllodes tumor. A mass in the right breast was diagnosed as Luminal A breast cancer. The clinical tumor stage was T1N0M0. Computed tomography showed no enlarged bilateral axillary lymph nodes. In the left breast, mastectomy was performed with extensive skin excision above the tumor. In the right breast, partial mastectomy was performed with sentinel lymph node biopsy. On postoperative pathological examination, the diagnosis of left breast tumor was triple-negative spindle-cell carcinoma. The pathological tumor stage was diagnosed as T4bNxM0. Taking into consideration treatment according to breast cancer stage and age, we selected 4 courses of weekly-paclitaxel, endocrine therapy, irradiation to the left chest wall, and irradiation to the residual right breast. The preoperative diagnosis was malignant phyllodes tumor. The postoperative diagnosis was switched from malignant phyllodes tumor to spindle-cell carcinoma. It was therefore difficult to determine the presence or absence of additional resection and postoperative treatment regimens. Even though the preoperative diagnosis was a malignant phyllodes tumor, surgical procedures such as sentinel lymph-node biopsy should be considered, taking into account the possibility of breast cancer.A 48-year-old female discovered a mass in her left axilla. A thorough examination resulted in a diagnosis of left invasive lobular carcinoma(ILC)of the accessory mammary gland with wide ductal spread. Considering the wide ductal spread, massive resection of the left axilla mass, left lymph node dissection, and a latissimus dorsi musculocutaneous flap procedure were performed. However, histological analysis revealed ILC measuring 80×50 mm with lymph node metastases(5/23)and extensive cancer spread, resulting in a positive surgical margin. It is important to recognize the characteristics of ILC, axillary accessory breast cancer, and the axilla in a treatment strategy.We report a rare case of spindle cell carcinoma of the breast which grew rapidly during neoadjuvant chemotherapy. A 72- year-old female was presenting with chief complaint of a mass in the right breast; a tumor about 20 mm in size. Core needle biopsy of tumor revealed invasive ductal carcinoma and fine needle aspiration cytology of axillary lymph node was Class Ⅴ. So she was diagnosis breast cancer as cT2N1M0, cStage ⅡB. The tumor subtype was triple negative breast cancer (TNBC). She received the neoadjuvant chemotherapy by FEC100. After FEC 4 courses, we detected a huge and rapid growing breast mass of 40 mm by CT. She was administered received mastectomy and axillary lymph node dissection after 4 months from initial contact. Pathological finding was spindle cell carcinoma of the breast. Postoperatively, she was treated with weekly PTX for a total of 12 courses and radiation therapy for a right chest wall and supraclavicular fossa. Although the tumor was resistant for neoadjuvant chemotherapy, she is alive and well without metastasis for more than 3 years.