My MIL has had a growth removed today, which has been getting increasingly large and irritating over the last couple of years. She has told my husband that they told her immediately it was cancerous. Could and would they tell her without a biopsy that it was malignant?
Full disclosure, this is at least the 5th time she's had 'cancer' in the last decade - usually things like she's found a lump in her breast and decides herself that's what it is, then informs us as though it's fact. So I'm inclined to disbelieve her, but my husband is understandably concerned.