Conversation: The conversation between human and AI assistant.
[|Human|] My 5 year old son has been complaining of chest pains when he breathes deep breaths and I found a hard boney lump on his left breast, when I touch it he does not complain that it hurts but it is obviously a lump. He has not been hurt in the chest area but the lump is worrisome, what could it be?
[|AI|]  Hello. I just read through your question. The lump on his left breast could be a lymph node. These typically swell in the presence of infection. They are usually not worrisome. The more concerning thing is the chest with breathing. This could indicate a mild infection in the lungs. If so, it can be treated with antibiotic. I recommend consulting with your doctor so that he can be examined, the correct diagnosis made, and the appropriate treatment plan implemented.