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Current Surgical and Medical Oncological Treatment Approaches in Metastatic Gastric Cancer

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Interdisciplinary Cancer Research

Abstract

The spread of tumor within the peritoneal cavity is termed peritoneal carcinomatosis (PC). The most common etiologies are gastric, colorectal, ovarian, and appendiceal cancers. Despite the development of medical oncologic treatments for this disease group, poor responses to systemic therapies are often observed. Among the reasons for these are challenges in peritoneal vascularization and the mesothelial-mesenchymal transition of peritoneal fibroblasts. Unfortunately, systemic treatments have not been successful in alleviating PC. Complications such as intra-abdominal acid, cachexia, sarcopenia, bowel, and ureteral obstructions make management more complex in these patients treated due to PC. In patients with PC, interdisciplinary approaches supported by combined medical oncology– and modern technology–based devices, such as concomitant cytoreductive surgery and hyperthermic intraperitoneal chemotherapy (CRS + HIPEC) and pressurized intraperitoneal aerosol chemotherapy (PIPAC), offer hope to these patients. Successful outcomes have been achieved in colorectal, ovarian, and appendiceal cancer cases with concomitant systemic chemotherapy and CRS + HIPEC–supported surgeries. However, the main problem still lies in the treatment of metastatic gastric cancer. The aim of this chapter is to present innovative and modern medical oncologic and surgical approaches in this challenging and complex disease through an interdisciplinary approach.

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Author Contributions

ÖD and designed the research study, wrote the manuscript. PÖ and TKG performed the research and analyzed the data. All authors contributed to editorial changes in the manuscript. All authors read and approved the final manuscript.

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None of the authors has any conflict of interest to declare.

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All authors read and approved the final version of the manuscript.

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The authors received no financial support for the research, authorship, and/or publication of this chapter.

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Correspondence to Ozgul Duzgun .

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Özcan, P., Güneş, T.K., Duzgun, O., Özçelik, M. (2024). Current Surgical and Medical Oncological Treatment Approaches in Metastatic Gastric Cancer. In: Interdisciplinary Cancer Research. Springer, Cham. https://doi.org/10.1007/16833_2024_220

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  • DOI: https://doi.org/10.1007/16833_2024_220

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