Getting the results

Hello. I am new here and a little overwhelmed today. My Dad has been told the tumour he has on his oesophagus is very likely to be cancer, a Xray has also shown up shadowing on his lungs, we got told this just over a week ago. After a phone call today we have been asked to go in to clinic on Monday to get the results from the biopsy. Today is his birthday so I am a little sensitive. My question is what do I ask in the meeting, I have a few questions but this is the first time I have had to deal with this.  The consultant after his endoscopy last week did say it was very likely to be inoperable. My Dad is 82 today and I am strong in front of him and my Mum. 

Thanks in advance