US EditionWhat to Know About the Lesser-Known Breast Cancer Type on the Rise
Invasive lobular carcinoma cases in the U.S. have doubled since the 1970s and now represent over 10% of breast cancers, rising fastest among younger and Asian American women.
- On Oct 7, 2025, the American Cancer Society released a report estimating 33,600 women will be diagnosed with invasive lobular carcinoma, which now accounts for over one in ten breast cancer cases in the United States.
- Invasive lobular carcinoma appears to be increasing due to tumors growing in a linear pattern, making mammograms less effective, and incidence has doubled since the 1970s, rising 3% yearly among women under 50 and Asian American/Pacific Islander women.
- Data show that five-year survival for early-stage ILC is about 99%, overall survival is roughly 91%, but at 10 years, women with metastatic disease are half as likely to be alive, said Rebecca Siegel.
- Clinicians said they will add ultrasound, contrast-enhanced mammograms, and MRIs to mammography for suspected lobular cancer, and the report urges researchers to distinguish ILC in clinical trials while noting half of uninsured women skip screening.
- Ranked separately, ILC would be the seventh most common cancer among U.S. women; researchers used NAACCR and NCI SEER program data, with findings from the American Cancer Society, more than 110 years old.
24 Articles
24 Articles
Good Morning America
A hard-to-spot breast cancer now makes up more than 1 in 10 cases in the US: Report
A fast-rising form of breast cancer that’s harder to detect on mammograms now makes up more than one in ten cases in the U.S., according to a new report.
Lesser-known lobular breast cancer on the rise in U.S. women
The American Cancer Society has released a report on occurrence and outcomes in the United States for this subtype of breast cancer. Findings show an estimated 33,600 women will be diagnosed with lobular breast cancer or invasive lobular carcinoma (ILC) this year.
A hard-to-spot breast cancer now makes up more than 1 in 10 cases in the US: Report - Everett Post
(NEW YORK) — A fast-rising form of breast cancer that’s harder to detect on mammograms now makes up more than one in ten cases in the United States, according to a new report from the American Cancer Society (ACS). Invasive lobular carcinoma, the second most common breast cancer type, is increasing about 3% each year, more than triple the rate of other breast cancers, the report, published on Tuesday morning, found. About 80% of breast cancers …
A hard-to-spot breast cancer now makes up more than 1 in 10 cases in the US: Report - The Pulse of NH
Stock image of stethoscope. ATU Images/Getty Images(NEW YORK) -- A fast-rising form of breast cancer that's harder to detect on mammograms now makes up more than one in ten cases in the United States, according to a new report from the American Cancer Society (ACS). Invasive lobular carcinoma, the second most common breast cancer type, is increasing about 3% each year, more than triple the rate of other breast cancers, the report, published on T…
Special ACS Report: Lesser-Known Lobular Breast Cancer on the Rise in U.S. Women
Today, the American Cancer Society released Lobular Breast Cancer Statistics, 2025, a report on occurrence and outcomes in the United States for this subtype of breast cancer.
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