Test Details: A liquid biopsy is a simple and non-invasive alternative to surgical biopsies which enables doctors to discover a range of information about a tumour through a simple blood sample. Traces of the cancer's DNA in the blood can give clues about which treatments are most likely to work for that patient. Liquid biopsy test (ONCOTRACK ULTIMA) detects the presence of oncogenic driver mutations. This has a potential role in clinical decision making for different lines of approved targeted therapy