My brother has terminal esophageal cancer (stage 4). Diagnosed February 2017, he underwent a course of ECX Chemotherapy that was completed by September. From November he started to show the same symptoms again. March 2018, he is now experiencing severe difficulty swallowing. He is to be fitted with a stent and then start second line chemotherapy treatment with Docetaxel. Given where we are now, what is the probable life expectancy. I know that everyone reacts differently, but I love him very much and need to have some idea of how long we have together so that I can best help him in the time he has left