 In this study, 77.1% of patients who underwent cytoreductive surgery and hyperthermic intraperitoneal chemotherapy experienced hematological complications such as leukopenia, anemia, and coagulopathy. These complications were generally mild and resolved spontaneously, without affecting mortality or length of hospital stay. This article was authored by Maria Consuelo Pintato, Immaculata Lassa Unzu, Remedios Gomez Sons, and others.