Continue being the great friend you already are - Be there for her: You don't need to give advice, you can simply listen and be supportive. It's okay if time doesn't allow for physical present, you can provide support via emotional needs. You could send flowers, have general conversations about daily life or news, tell some jokes, send an care package, books and so forth. Please see the link down below, I believe it could of be some assistances as well.   For additional advice regarding general helpful tips:  Cancer.net - Supporting a friend who has cancer https://www.cancer.net/coping-with-cancer/talking-with-family-and-friends/supporting-friend-who-has-cancer ... View more