ðˈɛɹfoːɹ, hˈaɪli fˈoʊkəst ɹˌeɪdɪˈeɪʃən sˈʌtʃ ɐz pɹˈoʊtɑːn θˈɛɹəpi ænd kˈɑːɹbən ˈaɪɑːn θˈɛɹəpi ɑːɹ mˈoːɹ ɪfˈɛktɪv ðɐn kənvˈɛnʃənəl ˈɛksɹˈeɪ ɹˌeɪdɪˈeɪʃən.
Therefore, highly focused radiation such as proton therapy and carbon ion therapy are more effective than conventional x-ray radiation.