The treatment outcomes and the use of adjuvant therapies in breast cancer patients with severe co-morbidities. oleh Jaihong Han, Han-Byoel Lee, Eun-Shin Lee, Young Joon Kang, Yumi Kim, Jihye Choi, Jiyoung Rhu, Hee-Chul Shin, Wonshik Han, Dong-Young Noh, Hyeong-Gon Moon