As many as 1 in 4 breast cancers occur in women younger than 50, researchers said at the Radiological Society of North America’s annual meeting. File Photo by Stephanie Lecocq/EPA
As many as 1 in 4 breast cancers occur in women younger than 50,…

As many as 1 in 4 breast cancers occur in women younger than 50, researchers said at the Radiological Society of North America’s annual meeting. File Photo by Stephanie Lecocq/EPA
As many as 1 in 4 breast cancers occur in women younger than 50,…