You need to contact the Gp who is covering your dads then have talk to your dad to see if he would like to see a Macmillan or hospice community nurse they have a lot of knowledge and could help you which information on what to do 

Hi there ..

So sorry to hear your going through this heartbraking time ... I've looked on Marie Currie site and it is there to help those with a terminal diagnosis and their families ... they should be able to give you lots of information and practical help ... I'm sure their phone number is on there ..

It's terrible how you've just been left .. so even McMillan may offer help too ... reach out to everyone you can ... let us know how you go, and what they say .. as that info could help someone else in that position ..  sending you all a vertual hug ... Chrissie