Rare, Dangerous Type Of Breast Cancer On The Rise In The U.S.

Key Takeaways

A rare, potentially more dangerous form of breast cancer is increasing in the U.S.

Lobular breast cancer rates are increasing three times faster than all other breast cancers combined

It’s harder to detect and more deadly in advanced stages

WEDNESDAY, Oct. 8, 2025 (HealthDay news) — A rare but dangerous form of breast cancer is on the rise in the United States, a new report says.

Lobular breast cancer rates are rising three times as fast as all other breast cancers combined, 2.8% per year versus 0.8% per year, researchers reported Oct. 7 in the journal Cancer .

“Although lobular breast cancer accounts for a little over 10% of all breast cancers, the sheer number of new diagnoses each year makes this disease important to understand,” said lead researcher Angela Gi