It depends on the type of cancer.
My mom had a neuroendocrine tumour which showed an iridescent rainbow of colours.
Nasty thing secreted adrenaline which caused a constant fight or flight response in her which in turn caused strokes and heart attacks.
I don't know what other cancers look like.
lostinthought1997 t1_j540ak0 wrote
Reply to What color are cancer cells? by jennlara
It depends on the type of cancer. My mom had a neuroendocrine tumour which showed an iridescent rainbow of colours. Nasty thing secreted adrenaline which caused a constant fight or flight response in her which in turn caused strokes and heart attacks. I don't know what other cancers look like.