<s>[INST] I m a 4 year breast cancer survivor --- invasive ductal carcinoma stage 1 lymph node clear --- treated with cytoxin and taxotere, radiation and 3 years of tamoxifen--- I have recently started having random pain below my knee ... varies from a burning sensation to a sharp pain ... always in the same spot but not all the time ... some days I have no complaints but others it s almost constant ....should I mention to my oncologist at my next visit or is this something that is normal [/INST] Hi,Yes, you need to mention it on your next visit as it may be related as a medicine side effects. He will examination your knee for any secondary spread of cancer (the chances are very low) and change the medication (if the findings are negative) that you are currently taking. Meanwhile you can take ice packs, mild form of exercise like knee press, active knee movements and slow walking will provide some relief till your next visit.Hope I have answered your query. Let me know if I can assist you further.Regards,Dr. Jenis Bhalavat </s>