Lump has to be physically examined to determine cause and treatment.
It could be something to be worried about or not.

Lymph nodes are normal structures present in every body. They produce part of the White blood cells called lymphocytes.
During infection, they get bigger because they are working extra hard to deal with infection. It is nothing to worry about... The most important thing is to deal with the underlying cause of the lymph nodes enlargement. Kindly see a doctor preferably a Paediatrician for thorough evaluation and management

Kindly leave it alone and it will resolve. I hope you have not been pressing or massaging the breast because you seem to be very concerned about it. Just leave it alone! It is nothing to worry about

​Leave it alone, nothing to worry about as it will go on it's own. It is as a result of maternal estrogen levels at work in the newborn. It will resolve as the hormonal levels of the newborn normalizes. Do not try to press or massage it because it could lead to development of breast abcess or mastitis.

There are many causes of lumps. Please take the child to hospital to be examined physically by a doctor preferably a Paediatrician.

Lump has to be physically examined to determine cause and treatment.
It could be something to be worried about or not.

Dear mom please ​leave it alone, nothing to worry about as it will go on it's own.

Hello Ma'am,this is most likely to be lymph nodes but it is difficult to say without physically examining the child!!! So see a doctor

Most boys may have breast lump as a sign of puberty as well or it may be a side effect of medication they are exposed to. If concerned, see a doctor as advised.