“Even small tumours can be aggressive, according to a study in patients with early stage breast cancer that will be presented at the ESMO 2017 Congress in Madrid. Researchers found that nearly one in four small tumours were aggressive and patients benefited from chemotherapy. Aggressive tumours could be identified by a 70-gene signature.
” ‘Our results challenge the assumption that all small tumours are less serious and do not need adjuvant chemotherapy,’ said lead author Dr Konstantinos Tryfonidis, a researcher at the European Organisation for Research and Treatment of Cancer (EORTC), Brussels, Belgium.”
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