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We report a case of accessory breast cancer in the axillary region with some review of the literature.<br />The clinical efficacy of nivolumab has been shown as a third-line treatment for advanced gastric cancer; however, nivolumab sometimes causes immune-related adverse events(irAEs). We retrospectively examined the clinical features and influence on treatment in cases of irAEs after nivolumab treatment.<br />We retrospectively examined 43 patients who received nivolumab treatment at our institution between October 2017 and December 2019.<br />The incidence of irAEs was 23.2%(10/43), and Grade 3 or higher irAEs included interstitial pneumonia, hypoadrenalism, Stevens- Johnson syndrome(SJS), and type 1 diabetes. Three patients showed long-term disease control after irAE onset. Meanwhile, SJS prevented patients from continuing treatment for gastric cancer.<br />Nivolumab is effective in some patients with gastric cancer, while irAEs made subsequent treatment difficult. Trifluridine/tipiracil or irinotecan are also known to be effective as therapeutic drugs after third-line treatment for gastric cancer in addition to nivolumab; therefore, the choice of the third-line drug and management of irAEs owing to individual cases are considered desirable.<br />Long-term efficacy is expected with nivolumab, but it may be necessary to recognize that the onset of serious irAEs might make subsequent treatment difficult.<br />Long-term efficacy is expected with nivolumab, but it may be necessary to recognize that the onset of serious irAEs might make subsequent treatment difficult.The patient was a 73-year-old man who was referred to our hospital for increasing bilateral lung nodules. Video-assisted left S9-10 segmentectomy and right S1, S3 partial resection were performed separately for suspect of synchronous double lung cancer. Colonoscopy was performed because left lung tumor was difficult to distinguish between primary lung cancer and metastatic lung cancer. Colonoscopy did not find advanced cancer lesion. We diagnosed the left lung tumor as pT1b, cN0, cM0, Stage ⅠA2 intestinal adenocarcinoma. The right lung tumor was diagnosed as pT1c, cN0, cM0, Stage ⅠA3 papillary adenocarcinoma. Intestinal adenocarcinoma is a rare tissue subtype of lung adenocarcinoma and colonoscopy is useful modality for ruling out metastatic colorectal cancer.Granulomatous mastitis is a chronic inflammatory disease of unknown causes that forms a breast mass and may be difficult to distinguish from breast cancer on imaging studies. The patient was a woman in her 50's. Needle biopsy was performed for a mass in the upper outer quadrant of the right breast and revealed granulomatous mastitis. Breast magnetic resonance imaging showed that the tumor was malignant. Taking into account that there is a difference between histologic findings and imaging findings and that surgery after steroid therapy for granulomatous mastitis is more likely to cause complications, we decided to perform lumpectomy. The definitive pathological diagnosis was a triple negative, pT1cN0cM0 medullary carcinoma. Postoperative adjuvant chemotherapy was performed. The absence of axillary lymph-node metastasis was confirmed by right axillary sentinel lymph-node biopsy. Radiotherapy was performed on the preserved breast region. Even if granulomatous mastitis is diagnosed, biopsy should be repeated while paying attention to biopsy methods if there is a difference between pathological findings and image findings.We analyzed retrospectively the difference in treatment selection and prognosis according to timing of recurrence after radical resection of esophageal cancer. Of 190 patients who underwent radical esophagectomy for esophageal cancer from April 2010 to December 2017, 56 patients(29.5%)had recurrent diseases during the postoperative periods. These cases were divided into 27 cases with recurrence diagnosed less than 180 days after initial surgery(Group A)and 29 cases with recurrence diagnosed more than 180 days(Group B). Although there was no difference in the pathological staging, preoperative treatment, and type of recurrence between the 2 groups, there were significantly more cases with symptomatic recurrence in Group A. Surgical intervention was possible in 1 case in Group A and 10 cases in Group B, respectively. There was significantly more in Group B. Second-line treatment was possible in only 5 cases in Group B. Survival after recurrence was tend to have better in Group B. There are few cases who indicated surgical intervention and second-line treatment in early recurrence cases after radical esophagectomy for esophageal cancer, and the prognosis is poor in such cases.We investigated the clinical outcomes of salvage thoracoscopic esophagectomy for residual or recurrent cases after radical radiochemotherapy for cStage Ⅳa esophageal cancer. [https://www.selleckchem.com/products/Simvastatin(Zocor).html find more] Thoracic procedure was started thoracoscopically in all cases, but converted to thoracotomy in 2 cases. The operation time was 315 minutes and the blood loss was 300 mL. Lymph node metastasis was diagnosed in 5 cases, and 2 cases were finished in R1or 2. Nine cases died of recurrence and 1 case died of pneumonia. The 2-year and 5-year survival rates(OS)of all cases were 46.1% and 28.3%, respectively. R1,2 cases and pN+ cases had significantly poor prognosis. Surgical treatment after radical radiochemotherapy for cStage Ⅳa esophageal cancer can be safely performed thoracoscopically. If R0 is not obtained, the long-term prognosis cannot be expected, and selection of R0 resectable cases is important.A 42-year-old man complaining of left back pain was admitted to our hospital. The hepatis B and C surface antigens were negative. The serum levels of tumor markers were within the reference ranges. Abdominal ultrasound revealed an 8 cm-sized, primarily round and hyperechoic mass in the left lateral segment. Contrast-echo showed non-uniform enhancement in the arterial phase and uniform enhancement in the portal phase. This mass did not indicate"wash-out"on contrast- enhanced CT. It showed hypointensity in the hepatobiliary phase on MRI. The definitive diagnosis could not be obtained, and the patient was suspected with malignancy, such as hepatocellular carcinoma(HCC). Therefore, left hemi-hepatectomy was performed for the diagnostic treatment. Based on the immunochemical staining results, he was diagnosed with angiomyolipoma( AML). AML is composed of fat, blood vessels, and smooth muscles. It is regarded as a tumor of perivascular epithelioid cell tumor(PEComa). Early venous return and adipose tissues in the tumor were the distinctive features of this tumor.