Oesophagus cancer ?? Would the doctor be able to tell it's cancer before the biopsy results have come through?

Hi 

2 years ago I had cervical cancer had the treatment chemo radiotherapy brachytherapy got the all clear

For the past say year ive been suffering with acid reflux and painful when eating.  I have had a few cameras down my throat got told I had hiatus hernia and barretts esophagus.  I had a camera in March everything was fine.

Recently food has been getting stuck in my throat and its been really painful to eat I went for a camera yesterday. The doctor was really taking along time and they were taking a lot of biopsy.

When he had finished he came over to me told me that he had found 2 parts that he really thought were cancer ive had a ct scan today.  

What I want to know would he be able to tell it was cancer before he had even got the biopsy results.

He was saying sorry to give you the bad news all the other staff were saying sorry.

I'm not worried because I know what chemo and radiotherapy is like its not the unknown. I beat it once I can beat it again.

Its the waiting or would the doctor just know.

Sorry for the long post. Please help tell me if a doctor would be able to tell or not.