my mother in law has been diagonised in april 08 with ca of the stomach with mets to the liver,she has been given 8-10 months to live.but of late her health has declined drastically,with swelling all over her body,and she is in deep sleep 24/7.she refuses food,and has very little that too on our insistance.i would like to know what to these signs indicate,and what to look out for next?