Conversation: The conversation between human and AI assistant.
[|Human|] Hi, my dad has been having headaches for several days and yesterday has noticed a soft lump at the back of head. When touched it is painful he consulted his doctor today and doctor said he does not think it is harmful as it is under the skin and on top of the scalp but he said to come back if does not get better it feels like a nerve . Any idea what this can be
[|AI|]  Hi, Dear,Welcome with your query to Chat Doctor. Studied your query in full depth of its details. Reviewed it in context of your health concerns. Based On the facts, You mostly seem to suffer from-Neurorfibroma / or Neuro-lipoma ? Other possibilities of Dermatofibrosarcoma / or Malignant Shannon / or Atypical Fibroxanthoma/ Kaposi Sarcoma / or could be Desmond tumors from Scalp deep fascia with nerve involvement. Hope that, This reply would help you to plan further treatment soon with your treating doctors. Best of Luck and early recovery. Welcome any further query in this regard, which would be replied in next session. Good Day!! Chat Doctor. N. Senior Surgical Specialist