Application of deep inspiration breath hold in postoperative radiotherapy for left-side breast cancer

Objective To investigate the dosimetric differences among three types of breath hold mode (free breath: FB, thoracic deep inspiration breath hold: T-DIBH, abdomen deep inspiration breath hold: A-DIBH) and to explore the optimal breath hold method in the postoperative radiotherapy of left-side breast cancer patients with minimum dose to normal tissues and organs at risk. Methods A total of eighteen patients with left-side breast cancer...