Randy Moss is clearly kickin' cancer's butt ... 'cause his business partner tells TMZ Sports his spirits are high -- and there's a chance he might even make a public appearance next week!!
Brittany Tolliferreo -- a chef who's gotten into the fried chicken biz with Moss over the last few years -- told us just days before she and the Hall of Famer open up their Crisppi's Chicken shop in Miami that Randy's been doing well .