2 doctors weighed in:

What are the chances of a small nevus spilus to turn cancerous? My grandpa had one and nothing ever happened

2 doctors weighed in
Dr. Yelena Kipervas
Family Medicine

In brief: Unknown

Because need to see it.
It's definitely need observation by specialist: dermatologists or your primary doctor once or twice a year. Environmental changes with increased exposure to sunlight is make a lot of difference since your grandfather days.

In brief: Unknown

Because need to see it.
It's definitely need observation by specialist: dermatologists or your primary doctor once or twice a year. Environmental changes with increased exposure to sunlight is make a lot of difference since your grandfather days.
Thank
Dr. Ed Friedlander
Pathology

In brief: Very low

Less than one percent.
Keep an eye on it and if a black or other blob appears, get it off.

In brief: Very low

Less than one percent.
Keep an eye on it and if a black or other blob appears, get it off.
Thank
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