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Table 2 ANMU SLN node fields and their corresponding ESTRO CTVs

From: An interactive 3D atlas of sentinel lymph nodes in breast cancer developed using SPECT/CT

ANMU SLN node fields

ESTRO CTV

Axilla level I (anterior, posterior, central, and lateral)

Axilla level I (L1)

Axilla level I (interpectoral)

Interpectoral nodes (INTPECT)

Axilla level II

Axilla level 2 (L2)

Axilla level III

Axilla level 3 (L3)

Supraclavicular

Lymph node level 4 (L4)

Internal mammary

Internal mammary chain (IMN and IC4a)

  1. a The caudal limit is generally the cranial side of the 4th rib but it can be extended by an additional intercostal space under some protocols [27].