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A 75-year-old woman was treated with TC plus Bev for cancer of unknown primary. During treatment, she presented to the clinic with chief complaints of general malaise and anorexia. On presentation, abdominal distention and upper abdominal tenderness were noted, and sepsis was suspected. A thoracoabdominal CT scan revealed prominent intramural emphysema and mesenteric gas in the ascending colon. An emergency laparotomy was performed for suspected pneumatosis intestinalis non-obstructive intestinal ischemia. However, no intra-abdominal contamination or ischemic changes were observed intraoperatively. Histological examination revealed a small adenocarcinoma on the serous surface of the ascending colon, and immunochemical staining confirmed the diagnosis of serous adenocarcinoma as the patient's primary cancer. This report describes a case in which the patient achieved long-term survival after diagnosis. It also emphasizes the importance of identifying the subset of patients with cancer of unknown primary who have a good prognosis in order to provide appropriate treatment.

The esophagorespiratory fistula(ERF)is a fatal complication ofesophageal cancer, because ofadvanced oncological status and poor conditions due to pneumonia and/or malnutrition.We report here a case of patient who was successfully treated for esophageal cancer with ERF with multimodality therapy including three-stage operation. A 65-year-old woman ofesophageal cancer received preoperative chemotherapy, and developed EFR before operation. Prolonged conservative therapies for ERF let her general condition get worse. Therefore, the patient underwent esophagostomy and gastrostomy to recover her condition. She received chemo-radiotherapy followed by esophagectomy. And she was performed the reconstruction next month. She is still alive without recurrence at 20 months after resection. In previous reports, a total of 6 cases have been performed esophagectomy for esophageal cancer with ERF in Japan. Only one case was reported that had survived longer than 12 months. This multimodality therapy can be one ofthe best strategies for the patients ofesophageal cancer with ERF, even ifthey have poor condition.

We report a case of an elderly patient with advanced esophageal cancer who underwent multidisciplinary treatment. An 86-year-old male consulted our hospital with complaints of pharynx discomfort and difficulty in swallowing. He was preoperatively diagnosed with esophageal cancer, T3N2M0, Stage III . We performed 2 courses of cisplatin plus 5-FU therapy as neoadjuvant chemotherapy. The primary tumor and metastatic lymph nodes reduced in size, and thoracoscopic esophagectomy in the prone position was performed. Pathological findings were esophageal cancer, pT3-Ad, INF b, ly2, v1, IM0, pPM0, pDM0, pRM1, pN3, pStage III . As the radical margin was positive, chemoradiotherapy was performed. We continued postoperative chemotherapy for approximately 1 year, and the patient has survived without relapse for 4 years from esophagectomy. Even in patients over 80 years old, long-term prognosis can be expected by performing radical surgery and chemoradiotherapy.

A 66-year-old man was admitted to our hospital to examine abnormal shadow in the right lung in May 2009. Chest computed tomography (CT) showed a nodule in the apex of right lung adjacent to the old shadow which was thought to be inflammatory and had been followed up since November 2002. Fluorodeoxyglucose-positron emission tomography (FDG-PET) showed significant accumulation of the isotope in the new nodule. Lung cancer was strongly suspected and the nodule with the joining lesion was surgically removed. Pathological examination revealed poorly to well differentiated papillary adenocarcinoma in the cancer lesion and aspergillosis in the necrotic and old fibrocaseous lesion. In the present case, lung cancer is thought to develop adjacent to the pulmonary aspergillosis.