Received: 8 April 2019
Accepted: 22 April 2020
First Online: 6 May 2020
Ethics approval and consent to participate
: This study is a retrospective investigation carried out on archived tissue samples of feline mammary gland tumors. The protocol has been reviewed and approved by the Institute Animal Care and Use Committee (IACUC) of National Taiwan University. The IACUC Approval No. is NTU107-EL-00165. Owners gave written informed consent to the use of clinical data and stored biological samples for teaching and research causes.
: Not applicable.
: The authors declare that no competing interests exist.