No, just list the graduation year on your resume. Almost no one will ask or notice. If someone does ask, just give a canned answer like "I had some medical issu

No, just list the graduation year on your resume. Almost no one will ask or notice. If someone does ask, just give a canned answer like "I had some medical issues when I started college, and had to take some time to get healthy"–this answers the question and deflects further inquiry (asking about medical history is approximately illegal) while making the problem sound solved.