▁relationships , ▁she ▁becomes ▁rom ant ically ▁involved ▁with ▁orth op edic ▁sur geon ▁Call ie ▁Tor res ▁( S ara ▁Ram ire z ). ▁The ▁story line ▁was ▁pra ised ▁for ▁its ▁real istic ▁port ray al ▁of ▁a ▁developing ▁same - sex ▁relationship ▁between ▁two ▁women , ▁although ▁consult ants ▁from ▁the ▁Gay ▁& ▁Les bian ▁Alliance ▁Again st ▁Def am ation ▁expressed ▁some ▁concerns ▁over ▁what ▁they ▁de emed ▁the ▁somewhat ▁explo itative ▁talk ▁of ▁a ▁th rees ome ▁between ▁H ahn , ▁Tor res ▁and ▁Mark ▁Slo an . ▁H ahn ▁was ▁written ▁out ▁of ▁Grey ' s ▁An atom y ▁in ▁November ▁ 2 0 0 8 , ▁with ▁Smith ▁comment ing ▁that ▁the ▁decision ▁origin ated ▁with ▁the ▁ABC ▁network ▁rather ▁than ▁with ▁series ▁cre ator ▁Sh onda ▁Rh imes . ▁ ▁Story lines ▁▁ ▁Upon ▁her ▁first ▁appearance ▁in ▁the ▁series ▁it ▁is ▁established ▁that ▁H ahn ▁is ▁a ▁long - time ▁rival ▁of ▁main ▁character ▁and ▁fellow ▁card i oth or ac ic ▁sur geon ▁Pr eston ▁Bur ke , ▁d ating ▁back ▁to ▁their ▁days ▁at ▁Joh ns ▁Hop kins ▁University ▁School ▁of ▁Medicine , ▁where ▁she ▁graduated ▁second ▁after ▁Bur ke . ▁She ▁is ▁introduced ▁as ▁a ▁card i oth or ac ic ▁att ending ▁sur geon ▁at ▁Seattle ▁Pres by ter ian ▁Hospital ▁when ▁she ▁and ▁Bur ke ▁fight ▁over ▁a ▁don or ▁heart . ▁ ▁H ahn ▁re app ears ▁in ▁season ▁three ▁when ▁she ▁is ▁contact ed ▁by ▁George ▁O