Complicated or unusual cases appear in clinical practice. It's important to know how to react when we face clinical difficulty. The more unusual the case, the longer or more demanding the decision-making process is. In this case we present a patient with a gigantic ovarian tumor whose diagnosis was overturned, and the choice of the surgical procedure changed, which makes this case a very educative example of why we should consult our patients, whenever we may encounter doubts or difficulties in a therapeutic process.
Keywords: CRS; HIPEC; MCPN; second opinion.