Correction and apology.

Removal of published articles. [A Case Report of P0CY1 Gastric Cancer Achieved Long-Term Survival after Treated with Ramucirumab Monotherapy] Masaru Udagawa, Rama Adikrisna, Yoshimi Yamasaki, Akira Ito, Kenta Kobayashi, Megumu Enjoji, Susumu Kirimura. The article was published in Gan to kagaku ryoho, Vol. 47, No. 13. The authors have requested that the article be removed due to the request of the data provider.