Key points from article :
Precision-medicine had the most impact on treating cancer.
About half of lung cancer patients respond well to targeted therapy.
An experimental drug, called BGJ398, stopped the growth of a last stage bile ducts tumour.
Doctors use genetic tests of the patient, the cancer tumour to determine the exact drugs or treatments.
Researchers are building a growing list of genetic mutations that show up in tumours and matching them to drugs.
Because of the expenses, only 10 % of cancer patients undergo genetic testing.
Artificial intelligence is coming to help to increase the number of eligible patients for treatment.
City of Hope National Medical Center wants to test the tumours of every single one of its 9,000 cancer patients.
