Illness and death from cancer is an enormous problem worldwide and is the focus of a large proportion of all medical costs in the developed world.
Cancer Research UK's statistics suggest that men have a 45% likelihood of suffering cancer during their life. Women are only slightly lower at 41%.
Incidence of all types of cancer have risen significantly over the last thirty years with the sole exception of lung cancer. 90% of all lung cancers are attributable to smoking and the reduction in smoking has lead to a fall... read more
Solid tumour cancers, such as breast cancer and prostate cancer, shed cancer cells into the patient's blood stream.
These are known as circulating tumour cells (CTCs). They circulate in the patient's blood stream until either the patient's immune system destroys them or they land in another organ, for example the lungs or brain, and start growing there. These new tumours are known as secondary cancers as they are derived from the original primary tumour.
CTCs are very rare, perhaps a single cell in one billion blood cells, and as a result are very... read more