Ctv_Imn_L

Category: CTV

Description: Left Interal Mammary Nodal CTV

Model: BreastCTVIMN

Model Information

Metrics

Average Volume (cc)

6.59

Average

Dice Coefficient

0.73

Average

0.75 (Median)

95th Percentile Hausdorff Distance (mm)

4.52

Average

3.38 (Median)

Median Distance to Conformity (mm)

4.88

Average

4.3 (Median)

Undercontouring MDC (mm)

1.87

Average

1.73 (Median)

Overcontouring MDC (mm)

3.01

Average

2.5 (Median)

Delineation Information

Guidelines

The guideline used is Offersen BV, Boersma LJ, Kirkove C, Hol S, Azr MC, Biete Sola A, et al. ESTRO consensus guideline on target volume delineation for elective radiation therapy of early stage breast cancer. Radiother Oncol 2015;114:3–10. https://doi.org/10.1016/j.radonc.2014.11.030.

Method

Manual

Structure Boundaries

Cranial Boundary

Caudal limit of CTVn_L4 (CTVn_SCF)

Caudal Boundary

Cranial side of the 4th rib

Medial Boundary

5mm from the interl mammary vein (artery in cranial part up to and including first intercostal space)

Lateral Boundary

5mm from the interl mammary vein (artery in cranial part up to and including first intercostal space)

Ventral Boundary

Ventral limit of the vascular area

Dorsal Boundary

Pleura