Part I: Defining medical professionalism -- Defining, teaching, and learning professionalism -- Part II: Cases involving medical students -- Student and faculty cases -- Part III: Cases involving physicians -- Principle of primacy of patient welfare -- Principle of patient autonomy -- Principle of social justice -- Commitment to honesty with patients -- Commitment to patient confidentiality -- Commitment to improving quality of care -- Commitment to maintaining trust by managing conflicts of interest -- Commitment to professional pesponsibilities