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Mama June Shannon’s eldest daughter Anna “Chickadee” Cardwell died Saturday after a battle with stage 4 adrenal cancer. She was 29.

Shannon is also mom to Alana “Honey Boo Boo” Thompson who appeared on the TLC series, Toddlers & Tiaras in 2011.

Shannon, 44, announced the news on Instagram on Sunday, according to

“With the breaking heart, we are announcing that @annamarie35 is no longer with us. She passed away in my home last night peacefully at 11:12 PM.

She gave one hell of a fight for 10 months she passed away with her family around her like she won’t and we will will be updating y’all with more information as we get it today.”

Shannon continued: “We love y’all and continued prayers and thoughts for our family doing this difficult time.”

Anna died 8 months after she was diagnosed with adrenal cancer.

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Signs and symptoms of adrenal cancer include weight gain, facial swelling, muscle weakness, nausea, vomiting, abdominal bloating, back pain and fever.

Adrenal cancer is so rare that many oncologists will only see 1 or 2 cases in their medical careers.

It typically affects overweight men in their 50s. But some doctors are beginning to diagnose adrenal cancer in young people.

Doctors are raising the alarm about rising colon cancer rates among young Americans. Studies have shown a rise in cancer rates, particularly colorectal cancer among people under 50.

The rise in colon cancer has led doctors to suggest earlier colonoscopy screenings by age 45.

A recent cancer study showed the steepest increase in late-stage, early-onset colorectal cancer is among men and woman aged 20 to 49.

“I’m seeing patients in my clinic that are 20 years old, 30 years old. So, these are young individuals that may have just graduated from college, graduated from grad school, embarking on some other aspect of their life, or may be in school or starting a family,” said Dr. Cathy Eng, an oncologist at the Vanderbilt University Medical Center.