Author Statement Form: Manuscript Originality and Copyright Transfer Agreement Mutiara Medika: Jurnal Kedokteran dan Kesehatan (MMJKK) ISSN: 2614-0101 (online) & 1411-8033 (print) https://journal.umy.ac.id/index.php/mm/index Name of Principal/Corresponding Author* Nita Damayanti Address of Principal/Corresponding Author* Department of Dermatology and Venereology, Faculty of Medicine, Public Health, and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia Gedung Radiopoetro lantai 3, Jl. Farmako Sekip Utara, Senolowo, Sinduadi, Kec. Mlati, Kabupaten Sleman, Daerah Istimewa Yogyakarta 55281, Indonesia Telephone* 082332919995 E-mail* nitadamayanti91@gmail.com Fax* - All author(s) name* Nita Damayanti Niken Indrastuti Date of submitted* 10 Juli 2021 Manuscript title* Cutaneous manifestations of breast cancer patients in combination capecitabine and lapatinib chemotherapy (1) Declare that the article above is original. my own thoughts not translated, and has not been published elsewhere or currently not in the process of other journal publications. I am willing to be responsible if there are parties who feel disadvantaged privately and/or based on a lawsuit in the future by the publication of this article. (2) I also declare that any and all rights in and to the article including, without limitation, all copyrights are transferred to Mutiara Medika: Jurnal Kedokteran dan Kesehatan (MMJKK). Therefore, the copyright transfer hands it the power and authority to edit, reproduce, distribute copies, and to publish the article partly or fully. Corresponding Author’s Name & Signature Date 10 July 2021 Editorial Office Mutiara Medika: Jurnal Kedokteran dan Kesehatan Journal Room, G1 (Biomedic) Building, Ground Floor, Faculty of Medicine and Health Science, Universitas Muhammadiyah Yogyakarta, Jalan Lingkar Selatan (Brawijaya), Tamantirto, Kasihan, Bantul, Daerah Istimewa Yogyakarta, Indonesia 55183. Phone: +62 274 387 656 (ext: 231) Email: mmjkk@umy.university