Weight loss is an important warning sign for cancer.

Xinhua London on April 10 (xinhua jia-wei zhang) Britain, according to a new study for lung cancer, pancreatic cancer, kidney cancer, not intentional weight loss is high risk factors for second place. It is necessary to further quantify this risk factor in order to improve the diagnostic efficiency of related cancers.
Oxford University on April 10, the report said, the school and the university of Exeter scholars research team, led by contrast analysis of the previous results of 25 studies, involving more than 11.5 million patients data.
Weight loss is associated with 10 types of cancer, including prostate, colorectal, lung, pancreatic and kidney cancer, according to the team's report in the British journal of general medicine. In particular, people over the age of 60, if there is a non-intentional weight loss, the risk of developing the above cancer will reach the level of urgent need to be examined in the relevant medical guidelines.
The report's lead author, Oxford University scholar Brian Nicholson, said it was necessary for patients with significant weight loss to examine multiple parts of the body. The next step should be to determine how much weight loss is needed to alert patients and doctors, and which types of tests can better improve cancer diagnostic efficiency.