Hi Leslie,
I wish you and your husband all the best with the battle ahead. It will by no means be easy but you can expect a huge amount of support from the people on this site. They have a wealth of knowledge and many will have been where you are going.
SCC stand for 'Squamous Cell Carcinoma' which is the type of cancer that most, but not all, of us are battling (or have beaten). Cisplatin x 3, just means that the person had 3 treatments with Cisplatin. Personally I had x5 (was supposed to be x6).
I hope this helps. If you have any other questions please fell free to ask. Good luck!
Sue