USDT lost using pancakeswap with my metamask wallet

I swap my USDT token to BNB token using pancakeswap with my metamask wallet the transaction was success but i did not receive any BNB token in my metamask wallet. also some BNB to Mist and Nothing resived, all my USDT where lost, Can you help me recover it please. thank you

OP - do NOT try to contact Metamask via WhatsApp or any other means, except to open a support ticket from the site. They do not have any social media contacts and you will lose all your coins in a scam.