stomach cancer treatment in singapore

my brother 38 yrs old, stad 4 stomach cancer, now he is having 4th cycle chemo.
he cannot swallow anything, the liquid food go through a tube from his nose.
is there any advise how tho endure this ?

i do research about tianxian and found out it has several research published in medical journal, has anyone try this ?

any advise, pls...

now, he is in pain all the time and we don't know what to do...

anyone can recommend stomach cancer treatment in singapore?

thx