“Most people with lung cancer don’t know their fingers are clubbing unless they know specifically to look out for it”, Ms Norton told HuffPost.
“The test is used by medical professionals as a partial method of confirming conditions, but you can also do the test yourself, and it only takes a few seconds.
如果二食指并拢中间有棱形，说明没有肺癌。
Most see a diamond-shaped gap between the nails. If this is missing, it could be a sign of “finger clubbing”, she warns.
This seemingly unusual symptom occurs in up to 35% of lung-cancer patients, according to Cancer Research UK.
“Most people with lung cancer don’t know their fingers are clubbing unless they know specifically to look out for it”, Ms Norton told HuffPost.
“The test is used by medical professionals as a partial method of confirming conditions, but you can also do the test yourself, and it only takes a few seconds.
如下图所示：有肺癌的可能性
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