Most hernias are not immediately life threatening unless the bowel becomes strangulated at the muscle weakness. However, hernia will not just disappear without any surgery to patch up the weakness. Surgical repair is usually performed laparoscopically and the weakness patch up using a mesh which will reinforce the abdominal wall.
In most cases, wide excision of the lesion with adequate margin can be curable if discovered early. In melanoma, sentinel lymph node biopsy will be carry out to exclude regional spread.