Cài Pánxī 蔡磻溪, early-Dàoguāng-era Húnán patron of medical publication; relative or clansman of 蔡貽績 Cài Yíjī, co-sponsored the 1823 printing of KR3eh051 Nèishāng jí yào. Known only from Cài Yíjī’s preface.