Many types of cancer: Symptoms of cancer depend on the type of cancer. Symptoms should be explained to a healthcare provider. Sleeplessness is not itself worrisome for cancer, but can be associated with excess anxiety about it. Cancer causing chest pain and breathing trouble should be detectable with chest xray. If you continue to worry about cancer despite reassuring exam and basic tests, talk to Dr about anxiety.
Answered 7/7/2014
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