Bowel Cancer?

Hello, 

My dad had a colonoscopy on Tuesday where they found 8 polyps and one of them was 25mm and characterized as high grade one, of which they took a biopsy from but they didn't take out yet, today they called us to arrange another procedure for the 22nd of November but the lady that called couldn't let us know the results of the biopsy as she was medically trained. Only that he would have a face to face consultation with the doctor on the 19th of November. 

Can you please give me your insight or advice. I have been crying all morning and I am thinking the worse.