He is very excellent as a medical student.

My mother is interested in traditional Chinese medicine.

My dentist is very excellent.

He is contributing to the community as an unpaid doctor.

He underwent surgery for appendicitis.

Due to otitis, he found it difficult to listen to music.

He was taken to the hospital because of peritonitis.

My dermatitis was treated by a dermatologist.

My son went to the hospital because of otitis media.

My eyes have become infected with conjunctivitis.