An independent report revealed recently that women employed at the Toowong site of ABC's former Brisbane studios in Australia were six times more likely to develop breast cancer than other women.

The site has been vacated. And the hunt is on -- for the cause of this unusually high rate of the disease.

No luck yet -- but new findings, while not definitive on what has caused this cluster, do indicate exposure to electromagnetic fields (EMF) is not a factor -- because the low frequency fields at the site were typical of other workplaces and residences, without any such cancer cluster.

Further testing will take place in an attempt to solve this on-going mystery, chronicled in the posts that follow.

ABC journalists walk out over cancer cluster concerns
Breast cancer cluster closes ABC studios in Australia
Connecting the clues in Australia cancer cluster

As Leroy Sievers says, "Most of you know me as someone with cancer. Google my name -- and yes, I confess, I've done that -- more often than not, it comes up linked to one other word: cancer. But what about all the other things I've been?"

Sievers has been a journalist for most of his adult life. He's also been a baker, a short-order cook, a teacher, and an aspiring author. Yet cancer is the word most often used to describe this man.

But maybe not for long.

Could it be that Sievers -- a man whose life has been derailed by a deadly cancer traveling throughout his body, a man who has been contemplating death with each passing day -- may soon be rid of cancer altogether?

Actually, Sievers already sees glimpses of cancer falling to the wayside.

Having undergone a new procedure called Radio Frequency Ablation -- where needles are stuck into tumors, burning them away from the inside out -- Sievers sees a brighter future. He's seen his latest scans. He's seen the black holes where tumors once lived. He's seen that no new tumors have appeared. He's seen that he may actually survive cancer.

Months ago, this man, who blogs his cancer journey for NPR, was told he would likely not survive the year. Now he realized he may outlive this prediction. And while this is great news, Sievers finds himself a bit unsure about a life without cancer.

"Will I be somebody who used to have cancer?" he says. "I think most cancer patients don't ever think it's really gone. It's just hiding, waiting to jump out and scare us when we least expect it. Will I be able to resume my old life? To rebuild my battered body into what it was before? I don't know. But I know this disease has changed me dramatically in so many ways. I am a different person. Hopefully a better person. You cannot go through an ordeal like this and not be profoundly affected."

Now that's what a call a fresh perspective.

To read previously-written posts about Leroy Sievers, click here.

The ABC building in the Brisbane suburb of Toowong -- subject of a December 2006 post -- has been officially vacated following an investigation that turned up a cancer cluster among female employees.

Over the past 11 years, 10 women from this one building have been diagnosed with breast cancer. Eight of the women worked in the ABC newsroom, and most had been there for more than five years. The breast cancer risk for these women was six times higher than for the general population of women in the area. And while the investigation continues and clues are beginning to connect, the big question -- Why? -- has still not been answered.

It has been determined it is highly unlikely the increase in breast cancer was caused by exposure to radio frequency, low frequency electromagnetic radiation, or chemical contamination. According to experts, had any of these factors been at play, there would have been a rise in cancer among male employees as well as female employees. Therefore, it appears something specific to women has caused this cluster.

Perhaps clues will emerge from an analysis of lifestyle influences -- like smoking, diet, and alcohol and medication use -- and already women have answered questions pertaining to body weight, height, level of physical activity, and reproductive history.

One common theme among women is the use of oral contraceptives for periods varying from two to 18 years. Other interesting findings include the average number of babies born to the women -- 1.6 -- and the breastfeeding practices of the women -- each woman with a child breastfed for an average of 2.3 to 12 months -- and the educational background of the group -- of the 10 women, six have college degrees.

Experts says these are important factors. Early puberty, late menopause, lack of breastfeeding, use of oral contraceptives, and the trend of older mothers having fewer babies all can influence breast cancer risk. And so can level of education. Research shows increased rates of breast cancer in women with white collar jobs -- which is related to socioeconomic status and late childbearing.

Everything is important really -- because as breast cancer rates continue to skyrocket, all possible reasons need to be considered.

One in eight women in Australia will be diagnosed with breast cancer before the age of 85. About 13,261 women were diagnosed with breast cancer in 2006. And it is predicted that 14,818 will be diagnosed in 2011.