What is a R0 resection?

R0 RESECTION: DEFINITIONS R0 resection indicates a microscopically margin-negative resection, in which no gross or microscopic tumor remains in the primary tumor bed. R1 resection indicates the removal of all macroscopic disease, but microscopic margins are positive for tumor.

What is R0 and R1 resection?

R0 corresponds to resection for cure or complete remission. R1 to microscopic residual tumor, R2 to macroscopic residual tumor. The R classification takes into account clinical and pathological findings. A reliable classification requires the pathological examination of resection margins.

What does resection mean?

(ree-SEK-shun) Surgery to remove tissue or part or all of an organ.

What is complete resection?

Abstract. The term ‘complete resection’ is traditionally defined as a desired surgical procedure if a considerable survival benefit is anticipated in patients with NSCLC. From a surgeon’s viewpoint, it is therefore of great importance in patient selection for thoracotomy.

How is a complete oncologic resection ( R0 ) achieved?

A complete oncologic resection (R0) is achieved, and local and regional control of the disease is attained without sacrificing the patient’s quality of life. Preoperative assessment for advanced head and neck disease includes ultrasound, computed tomography (CT), and magnetic resonance imaging (MRI).

How is R0 resection used to treat gastric cancer?

Author Phase Selection criteria Preoperative Pts None 111 Schuhmacher et al[165], 2009 III RCT Loc. advanced T3-T4NxM0 FP × 2 72 None 72 Kinoshita et al[166], 2009 II Schirrous Resectable TS-1 × 2 55

When was the last time the life tables were revised?

United States Life Tables, 2003. NVSR Volume 54, Number 14. 40 pp. (PHS) 2005-1120. [PDF – 1.2 MB] All annual life tables have been revised for the years 2000-2004. A new report, “United States Life Tables, 2005” (NVSR Volume 58, Number 10) contains the revised tables.

How are life tables used in the real world?

Introduction to Life Tables Life tables are used to describe age-specific mortality and survival rates for a population. When this information is combined with fecundity data, life-tables can be used to estimate rates of population change (e.g., r, lambda, and Ro). I. Types of Life Tables 1.