“What an earth-shattering six weeks,” Martin wrote ina piece forToday.

“It feels like both yesterday and a lifetime since the last time I walked into Studio 1A.

Since going public with the news, Martin has undergone a successful double mastectomy.

TODAY – Pictured: Jill Martin

Jill Martin.Credit: Helen Healey/NBC via Getty Images

I will also need to take anti-hormonal drugs for 5 years.

And I will most likely need chemotherapy because of the aggressiveness of the tumor.

That is the part that hit me the hardest the idea of chemo.”

Martin wrote that she is still “in a state of shock” regarding the news.

“Cancer has knocked me down.

It has,” she added.

Do I feel like staying under the covers and crying?

I am choosing to fight.

And I am choosing to use my strength and platform to do my best to crush cancer."

I received so many DMs, texts, emails, and calls."

Towards the end of the piece, she again urged others to pursue genetic testing.

I totally understand that sentiment and reasoning," Martin wrote.

“I have shared the happy, the sad, and now the scary,” Martin wrote.

“We will get through this together.”