Nearly everyone agrees there is significant work to be done at both ends of the diagnostic spectrum: distinguishing which D.C.I.S. lesions will progress to invasive disease as well as figuring out the mechanisms of metastasis. According to a Fortune magazine analysis, only an estimated .5 percent of all National Cancer Institute grants since 1972 focus on metastasis; out of more than $2.2 billion dollars raised over the last six years, Komen has dedicated $79 million to such research — a lot of money, to be sure, but a mere 3.6 percent of its total budget during that period.

“A lot of people are under the notion that metastatic work is a waste of time,” said Danny Welch, chairman of the department of cancer biology at the University of Kansas Cancer Center, “because all we have to do is prevent cancer in the first place. The problem is, we still don’t even know what causes cancer. I’d prefer to prevent it completely too, but to put it crassly, that’s throwing a bunch of people under the bus right now.”

One hundred and eight American women die of breast cancer each day. Some can live for a decade or more with metastatic disease, but the median life span is 26 months. One afternoon I talked to Ann Silberman, author of the blog “Breast Cancer? But Doctor . . . I Hate Pink.” Silberman started writing it in 2009, at age 51, after finding a lump in her breast that turned out to be cancer — a Stage 2 tumor, which she was told gave her a survival rate of 70 percent. At the time she was a secretary at a school in Sacramento, happily married and the mother of two boys, ages 12 and 22. Over the next two years, she had surgery, did six rounds of chemo, took a trio of drugs including Herceptin and, finally, thought she was done.

Four months later, a backache and bloated belly sent her to the doctor; the cancer had spread to her liver. Why didn’t the treatment work? No one knows. “At this point, you know that you’re going to die, and you know it’s going to be in the next five years,” she told me. Her goal is to see her youngest son graduate from high school next June.

It isn’t easy to face someone with metastatic disease, especially if you’ve had cancer yourself. Silberman’s trajectory is my worst fear; the night after we spoke, I was haunted by dreams of cancer’s return. Perhaps for that reason, metastatic patients are notably absent from pink-ribbon campaigns, rarely on the speaker’s podium at fund-raisers or races. Last October, for the first time, Komen featured a woman with Stage 4 disease in its awareness-month ads, but the wording carefully emphasized the positive: “Although, today, she has tumors in her bones, her liver and her lungs, Bridget still has hope.” (Bridget died earlier this month.)

“All that awareness terminology isn’t about us,” Silberman said. “It’s about surviving, and we’re not going to survive. We’re going to get sick. We’re going to lose parts of our livers. We’re going to be on oxygen. We’re going to die. It’s not pretty, and it’s not hopeful. People want to believe in ‘the cure,’ and they want to believe that cure is early detection. But you know what? It’s just not true.”

Scientific progress is erratic, unpredictable. “We are all foundering around in the dark,” said Peter B. Bach, director of the Center for Health Policy and Outcomes at Memorial Sloan-Kettering Cancer Center. “The one thing I can tell you is some of that foundering has borne fruit.” There are the few therapies, he said - like tamoxifen and Herceptin - that target specific tumor characteristics, and newer tests that estimate the chance of recurrence in estrogen-positive cancers, allowing lower-risk women to skip chemotherapy. “That’s not curing cancer,” Bach said, “but it’s progress. And yes, it’s slow.”

The idea that there could be one solution to breast cancer - screening, early detection, some universal cure - is certainly appealing. All of us - those who fear the disease, those who live with it, our friends and families, the corporations who swathe themselves in pink - wish it were true. Wearing a bracelet, sporting a ribbon, running a race or buying a pink blender expresses our hopes, and that feels good, even virtuous. But making a difference is more complicated than that.

It has been four decades since the former first lady Betty Ford went public with her breast-cancer diagnosis, shattering the stigma of the disease. It has been three decades since the founding of Komen. Two decades since the introduction of the pink ribbon. Yet all that well-meaning awareness has ultimately made women less conscious of the facts: obscuring the limits of screening, conflating risk with disease, compromising our decisions about health care, celebrating “cancer survivors” who may have never required treating. And ultimately, it has come at the expense of those whose lives are most at risk.

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By PEGGY ORENSTEIN