Sister Wives star Janelle Brown used her platform to raise awareness about potential signs of skin cancer. Nearly three years after the reality television personality had a basal cell carcinoma removed in 2021, the mother-of-six — who shares kids Logan, Madison, Garrison, Hunter, Gabriel and Savanah with ex Kody Brown —— revealed she had two “pre-cancerous spots frozen” and a “tiny lump” removed from her lip. “Posting this picture as a reminder to get your skin checked,” she captioned an Instagram selfie that showed off her stitches. “Even if you have ALWAYS been careful about sunscreen. I am …