Hi ! Good morning. I am Dr Shareef answering your query. Due to the development of the hard lump above your belly button, I would urge you to get yourself clinically assessed by your family physician/general surgeon, who might go for an ultrasound abdomen to assist in the diagnosis and proper management. It might not be possible to opine on it over net without a clinical examination. Take care. I hope this information would help you in discussing with your family physician/treating doctor in further management of your problem. Please do not hesitate to ask in case of any further doubts. Thanks for choosing health care magic to clear doubts on your health problems. Wishing you an early recovery. Dr Shareef.