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Included below are news items from the last six months.

 

Blood test for unstable chromosomes can help predict the return of lung cancer

8 May 2017

A study of patients who had operations to remove non-small-cell lung cancers was reported online in the New England Journal of Medicine on 26 April 2017. Those patients whose tumours showed a high proportion of unstable chromosomes were found to be four times more likely to have a recurrence within two years. The researchers reported online in Nature on the same day how traces of circulating tumour DNA changed in sequential blood samples taken after operation. Concentrations dropped rapidly following the operation, but then increased in those whose tumour recurred. Concentrations increased up to a year before CT scans showed evidence of recurrence, raising the possibility of using the test to initiate intensive treatment earlier.

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