Complex sentence: Several long term character exit the series including Corday who quits after performing an illegal operation while Chen leaves to care for her ailing father while Carter also departs the ER to return to Africa with Kem.
Split into simpler sentences: Several long term character exit the series including Corday who quits after performing an illegal operation. Elsewhere Chen leaves to care for her ailing father while Carter also departs the ER to return to Africa with Kem.