Dr. Sadao didn’t join the Japanese army because he was too valuable as a surgeon. His exceptional skills in surgery were deemed critical for the country, especially during the war. The military wanted to keep him focused on his medical work rather than send him to the battlefield, where his talents would be less useful. Despite his loyalty to Japan, Dr. Sadao faced a conflict between his duty to his country and his professional role as a healer, which led him to focus on treating soldiers and civilians alike rather than engaging directly in combat.

This question related to Chapter 4 English Vistas Class 12th NCERT.
From the Chapter 4. The Enemy.
Give answer according to your understanding.