Conversation: The conversation between human and AI assistant.
[|Human|] my 3 month old boy has a small lump on his back about 40mm away from spine. It is soft not red and he does not seem to be bothered when it is pressed. Any ideas what this may be. Cant get in to see Dr until next week so wondering if we should take him up to the hospital?
[|AI|]  Hello and welcome to Chat Doctor, A painless lump on the back of the baby could be a soft tissue lesion. Various soft tissue lesions like lipoma, fibrous, hematoma are usually soft and painless. Since the lesion is not red a possibility of infectious or inflammatory lesion is ruled out. Imaging study of the back can be done to assess the character of the lesion. Aspiration of the cytology of the lesion can be attempted. This investigation will sample the cells of the lesion and thus origin, nature and character of the lesion will be known. Management can be done after diagnosis is made. Consult your primary health care provider for clinical assessment and investigations. Thanks and take care Chat Doctor.