A Novel Approach to Postmastectomy Radiation Therapy Using Scanned Proton Beams.

A technique of partial breast irradiation utilizing proton beam radiotherapy: comparison with conformal X-ray therapy.

Accelerated partial-breast irradiation using proton beams: Initial clinical experience.

Proton therapy for breast cancer after mastectomy: early outcomes of a prospective clinical trial.

Partial breast irradiation delivered with proton beam: results of a phase II trial.

Phase II trial of proton beam accelerated partial breast irradiation in breast cancer.