Conversation: The conversation between human and AI assistant.
[|Human|] I have a small pea size lump on my upper arm by my bicep it s fairly hard, should I be concerned. My dad had the same kind of thing, after 2 operations they determined it was sarcoma cancer and it grew very fast, then he had his arm amputated and 6 months later died of cancer in his lungs
[|AI|]  Welcome to Chat Doctor. 1. The history and sequential events mentioned suggest there was a malignant lesion with distant metastasis.2. The lesion could be from the bone which was seen as a lump - which was excised - but as you have mentioned it might reoccurred again.3. In this case lastly to prevent the extension or as a palliative treatment / reduce symptoms amputation might have been done.4. The lung findings could be the metastasis - distinct involvement of the sarcoma.5. When the malignancy spreads extensively the survival is reduced. Sorry for that. Hope I have answered your query,anything to ask ? Do not hesitate to ask.http://doctor.ChatDoctor .com/doctors/ Chat Doctor.