予よ後ご診しん断だん医い

• 予よ後ご

  予後 means 'prognosis' (the predicted outcome of a disease), while 予後診断医 refers to the specialist who makes that prediction.

• 診しん断だん医い

  診断医 is a 'diagnostician' (one who identifies a disease), whereas 予後診断医 focuses on predicting the disease's future course.

Compound of 予後 (prognosis) + 診断 (diagnosis) + 医 (doctor). The term is a modern medical coinage; the exact derivation is uncertain.