A case of gastric cancer with liver metastasis resected after the combination chemotherapy with CDDP and TS-1
Abstract
A 44 year-old woman presented with epigastralgia in March 2004 was diagnosed as having type II gastric cancer by gastrofiberscope, and histological diagnosis of biopsy specimens was group V (tub2, por1). Since multiple liver metastases were observed in subsegments 2, 3, and 5 by abdominal ultrasonography, systemic chemotherapy was first conducted for tumor down sizing. The patient was treated by three cycles of the one month regimen (CDDP 70 mg/m2, day 8, for 24hrs, and TS-1 80 mg/m2, day 1-14; 2 week cessation of the drugs). CT scan taken on May 16, 2005 revealed that the tumor diameters in subsegments 2, 3, and 5 were 1 cm, 3 cm, and 1.5 cm, respectively. On September 14, liver tumors were markedly shrunk. Tumor in subsegment 2 became undetectable, and the diameters in those in subsegments 3 and 5 were 1.5 cm, and 0.5 cm, respectively. On September 28, a distal gastrectomy associated with S3 partial hepatectomy and microwave coagulation therapy for S5 tumor was performed without any macroscopic residual lesions. The prognosis of liver metastasis of gastric cancer is generally poor, and there is no comprehensive therapy. The marked clinical response in this patient suggests that this combination therapy with CDDP and TS-1 might be a promising preoperative chemothepapy for unresectable gastric cancer.
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