Intrafractional and interfractional motions of the prostate during Carbon ion therapy: quantification by four-dimensional CT

T. Okada, H. Tsuji, S. Sugahara, M. Suzuki, M. Kumagai, S. Mori, S. Minohara, T. Kamada & H. Tsujii
Purpose: Carbon ion radiotherapy (C-ion RT) for the prostate cancer has been performed with hypofractionated regimen at our institute for 14 years. The results so far has been quite satisfactory both in the toxicity and tumor control, and even better results might be expected with more precise and more[for full text, please go to the a.m. URL]