http://www.emedicine.com/ent/topic306.htm (a very detailed article)
The most telling sign is a lump in the neck area or collarbone that might indicate a lymph node. Secondary cancers are
tumors that have spread from primary tumors in other parts of the body. Most often, secondary tumors of the neck originate
in the lung, breast, kidney, or from melanomas in the skin.
•Lump in the neck, a lump that lasts for more than 2 weeks and/or gets larger. This may be a lymph node to which
cancer has spread. But if the symptoms seem unusual or last more than about two weeks, you should see your doctor.
***I was originally DX'd with Stage IV back in 2004 and one of the metastatic sites was to the neck lymph nodes usually
refferred to as the supraclavicular. I found the painless lump by just rubbing my neck while sitting at my computer. I went
into the bathroom and was able to see the swelling in the mirror. I just had a similar occurance in 2006, surgical removal
of nodes showed tattoo ink (from nipple reconstruction tattoo) and sinus infection? Can' recall the exact wording, but
not cancer this time.
If you want to research more on this, you can use keyword "cervical" instead of "neck" also. Keep in mind about the other
cervical area we have as well or your search may confuse you, lol. -Susan Andrews***