Oncologic Surgery Glossary
100 terms total — 24 showing — Last updated 15 Sep 2026
second-look surgery
Planned surgical re-exploration performed after initial treatment to assess treatment response and detect residual disease.
Oncologic Emergency
Acute, life-threatening condition requiring immediate surgical intervention in cancer patients.
oncologic resection
Surgical removal of cancer following established oncologic principles to optimize cure rates.
Oncoplastic Reconstruction
Surgical technique combining cancer resection with immediate plastic surgery reconstruction to optimize both oncologic a...
oncoplastic surgery
Breast cancer surgery technique combining oncologic resection with immediate plastic reconstruction.
operative mortality
Death occurring within a specified period after surgery, typically 30 or 90 days postoperatively.
parenchyma-sparing resection
Surgical approach that preserves functional organ tissue while achieving oncologic goals.
parenchymal transection
The surgical division of organ tissue, particularly liver or pancreas, to achieve tumor removal while preserving functio...
pathologic complete response
Absence of viable tumor cells in the surgical specimen after neoadjuvant therapy.
pedicled flap
Tissue transfer technique using adjacent tissue that remains connected to its original blood supply.
Performance Status
Standardized measure of a cancer patient's functional capacity and ability to tolerate surgical intervention.
perfusion index
Numerical measurement used to quantify regional tissue perfusion during isolated organ perfusion procedures in oncologic...
Peritoneal Carcinomatosis Index
Standardized scoring system quantifying the extent of peritoneal surface malignancy distribution.
peritoneal studding
Small tumor implants scattered across the peritoneal surface, indicating advanced malignant disease.
piecemeal excision
Removal of a tumor in multiple fragments rather than as a single intact specimen, generally avoided in oncologic surgery...
plane of dissection
The anatomical layer or tissue interface along which surgical separation is performed during oncologic resection.
Pneumoperitoneum
Intentional introduction of carbon dioxide gas into the peritoneal cavity to create working space during laparoscopic su...
pneumoperitoneum insufflation
The introduction of carbon dioxide gas into the peritoneal cavity to create working space for laparoscopic surgery.
positive margin
Presence of tumor cells at the edge of surgically resected tissue, indicating incomplete excision.
prehabilitation
Preoperative interventions designed to optimize patient physical and nutritional status before major oncologic surgery t...
Pringle maneuver
Temporary occlusion of the hepatic artery and portal vein to control bleeding during liver surgery.
R classification
Standardized system for describing residual tumor burden after surgical treatment.
R0 resection
Complete tumor removal with microscopically negative margins and no residual disease.
R1 resection
Surgical resection where cancer cells are present at the microscopic margin, indicating incomplete tumor removal.
resectability
Assessment of whether a tumor can be surgically removed with acceptable risk and functional preservation.