I've been experiencing excessive sleepiness since a year so I decided to get an mri, it showed partially empty sella and visualized pituitary gland with heterogeneous appearances with no definite mass. What does heterogeneous appearances mean? Is it something dangerous like tumor or something? What should I do?

Suggestions offered by doctors on Lybrate are of advisory nature i.e., for educational and informational purposes only. Content posted on, created for, or compiled by Lybrate is not intended or designed to replace your doctor's independent judgment about any symptom, condition, or the appropriateness or risks of a procedure or treatment for a given person.