Stereotactic Accelerated Partial Breast Irradiation

**Semantic type:** Therapeutic or Preventive Procedure

**Definition:** Partial breast irradiation using real-time tracking, respiratory motion management, and submillimeter accuracy. It results in a reduced target and treatment uncertainty allowing for treatment intensification and maximal target coverage while protecting normal breast tissue from unnecessary high-dose irradiation.

**Synonyms:** - SAPBI - SPBI - Stereotactic Partial Breast Irradiation