EXCLUSIVE: Janice Dickinson Reveals Biggest Regret After Breast Cancer Diagnosis: I Wish I'd Never Gotten Impl

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Janice Dickinson shared with ET's Samantha Harris how her outlook on life has changed since she was diagnosed with Stage 1 breast cancer.

The 61-year-old supermodel revealed in March that after an urgent mammogram and biopsy, her doctor broke the news to her that she had cancer. Dickinson said upon getting checked out, she was told by the mammogram technician that it's more challenging to detect abnormalities when a woman has breast implants.

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"If I had to play my life over again, I would have never gotten breast implants in the first place," Dickinson admitted. "I didn't need to have a mastectomy, although I'm so blessed as just Janice being Janice that I said, 'Take them out! Take them out, cut them out! Just take them out now!'"

Dickinson, who currently still has her implants, will undergo her first radiation treatment next week after undergoing surgery in April.

She told Harris that she and her fiance, Dr. Robert "Rocky" Gerner, decided to take a break from planning their wedding so they could focus on her health. "We've got a bigger fight to fight," she said. "If it weren't for the love and compassion and the strain of my fiancé, Rocky's been my Rocky. I don't know if I were a man, I don't know if I could put up with everything that I'm going through."

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Harris is a breast cancer survivor and encouraged Dickinson to stay strong. "I'm not going to sugar coat this. I'm scared. I am," Dickinson confessed as she started to cry. "I vacillate during the day, because I want to be strong for my family. But then, when I'm by myself, I know I'm protected by a higher power. I am protected, and the sky never looked bluer. ...I'm very in touch with everything that's going around."

On Thursday night, Dickinson was honored by Gallerie Montaigne in West Hollywood, California. Paintings were created of the former America's Next Top Model judge, and proceeds went to the Susan G. Komen Breast Cancer Foundation to raise awareness about breast cancer.

"I am living and I am happy. And I don't want everyone to think this is a big pity party," she shared. "I'm Janice Dickinson and I'm prepared to fight, and I'm going to keep fighting because women like you, Samantha, that have given me the strength to be who I am. ...So thank you, and thank you, ET."

WATCH: Samantha Harris Video Diary -- Inside Her Breast Cancer Battle

Watch ET on Friday, May 20, for more of Dickinson's emotional interview with Harris.