# Impact of internal target volume definition for pencil beam scanned proton treatment planning in the presence of respiratory motion variability for lung cancer: A proof of concept

> Research article (Radiotherapy and Oncology, 2020) · cited 16× · AI/ML

**Wikidata**: [openalex:W3003399572](https://www.wikidata.org/wiki/openalex:W3003399572)  
**Source**: https://4ort.xyz/entity/impact-of-internal-target-volume-definition-for-pencil-beam-scanned-proton-treatment-planning-in-the-presence-of-respira