Hard to say: A mobile soft tissue mass overlying the clavicle is most likely a lipoma, which is simply a benign mass of fatty tissue. A lipoma can be easily excised if it's bothering you. If you've had it for 2 years and it hasn't changed size or symptoms then it's probably not cancer. Further workup such as mri, biopsy, or excision can be done to confirm whether or not it's cancer.
Answered 6/17/2013
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A doctor has provided 1 answer
A doctor has provided 1 answer
2 doctors weighed in across 2 answers
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