A portrait of Claudia Rivera, left, and a hand-written diagram of her family tree. The names in red indicate family members who live in the United States, and those in blue live in El Salvador. Rivera, a doctor, once lived in the U.S., too. She and her family immigrated there in 1983 to escape the civil war. After many years, she decided to return to El Salvador.

A portrait of Claudia Rivera, left, and a hand-written diagram of her family tree. The names in red indicate family members who live in the United States, and those in blue live in El Salvador. Rivera, a doctor, once lived in the U.S., too. She and her family immigrated there in 1983 to escape the civil war. After many years, she decided to return to El Salvador.

A portrait of Claudia Rivera, left, and a hand-written diagram of her family tree. The names in red indicate family members who live in the United States, and those in blue live in El Salvador. Rivera, a doctor, once lived in the U.S., too. She and her family immigrated there in 1983 to escape the civil war. After many years, she decided to return to El Salvador.

A portrait of Claudia Rivera, left, and a hand-written diagram of her family tree. The names in red indicate family members who live in the United States, and those in blue live in El Salvador. Rivera, a doctor, once lived in the U.S., too. She and her family immigrated there in 1983 to escape the civil war. After many years, she decided to return to El Salvador.