Hi I have a six month year old daughter, we have just noticed there is a swelling in her left lower rib cage. she is not complaing of any pain, you can feel it and it does not cause ay pain to her or she does not have any other syptoms, she also has flat or uneven shape in the rear of her head but the doctor/specialist said it will get better on its own please advice me of the seriousnes of this matter.