%0 Journal Article %T Adjuvant chemotherapy improves prognosis of resectable stage IV colorectal cancer: a comparative study using inverse probability of treatment weighting %A Hiroaki Nozawa %A Hirofumi Sonoda %A Hirotoshi Takiyama %A Jun Nakajima %A Kazuhito Sasaki %A Kazushige Kawai %A Keisuke Hata %A Kiyoshi Hasegawa %A Koji Murono %A Manabu Kaneko %A Shigenobu Emoto %A Takeshi Nishikawa %A Toshiaki Tanaka %J Archive of "Therapeutic Advances in Medical Oncology". %D 2019 %R 10.1177/1758835919838960 %X Adjuvant chemotherapy (AC) is known to be beneficial for stage III colorectal cancer (CRC). In contrast, only a few studies have reported the survival benefits of AC for stage IV CRC after curative surgery %K adjuvant chemotherapy %K colorectal cancer %K inverse probability of treatment weighting %K prognosis %K regional lymph node metastases %K stage IV %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6469283/