Im sorry to know about your problem. After 6 weeks its highly improbable to have a collection but just in case please go back to your surgeon and he/she should be able to address this with ease. Dont worry.
Mass. 6 weeks after tummy tuck could be seroma
Please see her plastic surgeon for an examination and diagnosis. The most common cause of unusual swelling 6 weeks after tummy tuck is seroma a collection of fluid. There are other possibilities which can be entertained by your plastic surgeon.