Lung mets

I am due to start new treatment this week kadcyla,is anyone on the same. Also with lung mets. Thank you for reading my post. 

I have mets in lung and bones diagnosed in jan2018 been on palbociclib and letrezole since April 2018 and things are stable 4 of 6 tumours smaller  the 2 in my lungs both smaller so there are successful  treatments dont know about kadcyla personally although have heard of it. x good luck with treatment Liz