Many of the gene markers for this aggressive form, known as oestrogen receptor-negative breast cancer, differ from those linked to more common breast cancer.
The approval for the much more common breast cancer could sharply increase sales of the drug, which were $318 million in the first half of this year.
But medical experts were quick to question the significance and methodology of the study, saying clinical trials had repeatedly found that the drug, tamoxifen, reduced the recurrence and spread of common breast cancers and that its benefits exceeded any possible risks.
However, another boost was given to olive oil's image recently when a study published in the Annals of Oncology showed that its most plentiful monounsaturated fat - oleic acid - has the ability to mute the effect of a common breast cancer gene.
THE FACTS Women who have had surgery to remove lymph nodes, a common breast cancer treatment, are often warned that flying can lead to lymphedema, a painful swelling, in their arms.
It is the most common breast mass during pregnancy [17].
Invasive ductal carcinoma is the most common breast malignancies tumors and has tendency to bone metastases.
The most common breast milk substitution was pap or panada, watery mixtures with questionable nutritive value.
ILC is the second most common breast malignancy and has typical histological features, such as infiltrative growth and low desmoplasia.
Although the two most common breast cancers, DCIS and LCIS, own different names, they originate from the same place.
Several common breast cancer genetic susceptibility variants have recently been identified.
