Professional
Technical
IVT
R2 resection
Surgical resection with macroscopically visible residual tumor remaining after surgery.
Full Definition
R2 resection indicates an incomplete surgical resection where gross tumor remains visible to the naked eye at the operative site. This classification is part of the standardized R-classification system used to describe the completeness of tumor removal. Unlike R0 (complete resection) or R1 (microscopic residual disease), R2 resections represent palliative procedures where cure is not achievable through surgery alone. The presence of macroscopic residual disease significantly impacts prognosis and treatment planning.
Usage
Usage note: Always specify whether residual disease is local or distant when documenting R2 resections.
In Context
- "The operative report documented an R2 resection due to extensive peritoneal involvement." — Surgical pathology report
- "Following R2 resection, the patient was referred for systemic chemotherapy." — Treatment planning note
Also known as
macroscopic residual disease
incomplete resection
Contrasted with
R0 resection
complete resection
Don't confuse with
R1 resection
tumor debulking