I can only say keep in touch. Ask what is happening but not too often, my Mum reduced me to a wreck by asking what was happening every day, even when I'd said we had to wait a week for an appointment or results. The waiting is the worst bit. Distraction is good so go out for coffee or a drink or shopping IF that is what you normally do. Ask her if she needs any back up for anything, picking children up from school of she's stuck at hospital for example. I find an unexpected text can break up an afternoon or a hospital wait. Again it's providing a distraction.
Please Please don't tilt your head to one side and stage whisper " How are you feeling? " You are very unlikely to get an honest answer. My husband recognised how good the recent Breast Cancer Now advert is dealing with this.
This might be a long process so you have to think about that!
Agree with the previous advice, basically be present! Don’t just text, call, have a cuppa, offer the hospital lift, etc. But don’t offer advice unless asked, she’ll be tearing her hair out with well meaning advice. Make her laugh, dark humour gets you through, and still share your problems with her, she’s still your friend and wants that to be a two way street. I appreciated the people that still gave me their problems, it made me feel valued and distracted me and listen. You’re on here asking so that shows me you’ll get it right and she’s lucky to have you x
