Objection to postoperative radiation therapy in breast cancer with one to three lymph nodes involvements

Takashi Ishikawa1, Hiroshi Kaise2, Kimito Yamada2

  • 1Department of Breast Oncology and Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku, Tokyo, 160-0023, Japan. tishik55@gmail.com.