Help for medical treatment in USA

Hi I am Rajni,I am sick with cancer since 2018 .I am suffering from non small cell lung cancer which is no curable cancer.it’s start from lung to my breast and now in my throat.I have lost my voice as well.don’t have much time but I want spend some memorable time with my son ,want to try one more treatment and if it’s not work I want to save some money to send my body back home so that my parents and brother sister çan have last look.since I am sick I have no income no support.my husband work and he is the one who pays bill ,rent and grocery.I don’t have any support.pls help me for my wish and hope.thanks for your time and help in advance