is it stomach cancer?

my gf had a stomach cancer test and it went positive.when she coughs she gets her nose and mouth blooded.she always vomit. and sometimes she vomits with blood.she has an appetite problem.her heart also pains when she is depressed. and then her breathing problem starts.she was sick for 6months.she was in coma.she had hilusination disease.i dont knw the exact name i guess its something like.pyzhosenia.....
kindly tell me is it stomach cancer or wot?if it is.is it curable?