Surgical Oncology Glossary
100 terms total — 24 showing — Last updated 15 Sep 2026
CRM CRM
Circumferential resection margin; the closest distance between tumor and the surgical margin in circumferentially resected specimens.
adjuvant chemotherapy
Systemic cancer treatment given after primary surgical resection to eliminate microscopic residual disease.
ALND
Axillary lymph node dissection; surgical removal of lymph nodes from the axilla, typically performed for breast cancer s...
anastomosis
A surgical connection created between two tubular structures, such as blood vessels or segments of bowel.
anastomotic leak
Postoperative complication where surgical connection between bowel segments fails, leading to contamination and potentia...
anastomotic technique
Surgical method for creating connections between severed anatomical structures following tumor resection.
biomarker-directed therapy
Cancer treatment approach that uses specific molecular markers to guide therapeutic decisions and drug selection.
carcinoembryonic antigen
Tumor marker protein elevated in various cancers, particularly colorectal cancer, used for monitoring treatment response...
circumferential resection margin
The radial margin around a tumor specimen, particularly important in rectal cancer surgery for assessing complete tumor...
Clavien-Dindo classification
Standardized grading system for surgical complications based on treatment requirements.
compartmentectomy
Surgical removal of an entire anatomical compartment containing a tumor, including all tissues within defined fascial bo...
CRM
Circumferential resection margin; the closest distance between tumor and the surgical margin in circumferentially resect...
cytoreduction
Surgical removal of visible tumor burden to achieve optimal or complete gross resection.
cytoreductive surgery
Surgical procedure aimed at removing as much visible tumor as possible, typically in advanced or metastatic disease.
disease-free survival
Time period from treatment completion to disease recurrence, progression, or death, used as primary endpoint in oncology...
ECOG performance status
Standardized scale (0-5) measuring a cancer patient's functional ability and fitness for treatment.
en bloc resection
Surgical removal of a tumor together with surrounding normal tissue as a single, intact specimen.
endomucosal resection
Minimally invasive endoscopic technique for removing superficial gastrointestinal tumors confined to the mucosa.
ERAS protocol
Evidence-based perioperative care pathway designed to accelerate patient recovery and reduce complications after surgery...
exenteration
Surgical removal of all organs and soft tissues within a body cavity, typically pelvic or orbital.
fascial plane dissection
Surgical technique involving dissection along natural tissue planes to minimize trauma and maintain anatomical integrity...
frozen section
Rapid intraoperative tissue analysis providing immediate microscopic diagnosis to guide surgical decisions.
hepatectomy
Surgical removal of part or all of the liver, commonly performed for liver tumors or metastases.
HIPEC
Heated intraperitoneal chemotherapy delivered directly into the abdominal cavity during surgery.
immunohistochemistry panel
A set of specialized staining tests performed on tissue samples to identify specific proteins and guide cancer diagnosis...