Infusion stopped and she was treated with Benadryl 50 mg x 1, prednisone 40 mg x 1, ativan 1 mg.
 Patient has negative ROS
(ROOT (S (NP (NN Infusion)) (VP (VP (VBD stopped)) (CC and) (SBAR (S (NP (PRP she)) (VP (VBD was) (VP (VBN treated) (PP (IN with) (NP (NP (NN Benadryl) (QP (CD 50) (NN mg)) (NN x) (CD 1)) (, ,) (NP (NN prednisone) (QP (CD 40) (NN mg)) (NN x) (CD 1)) (, ,) (NP (NN ativan) (CD 1) (NN mg))))))))) (. .)))
(ROOT (S (NP (NN Patient)) (VP (VBZ has) (NP (JJ negative) (NN ROS)))))
( Infusion ( ( ( stopped and ) ( she ( was ( treated ( with ( ( ( ( ( Benadryl ( ( 50 mg ) ( x 1 ) ) ) , ) ( prednisone ( ( 40 mg ) ( x 1 ) ) ) ) , ) ( ativan ( 1 mg ) ) ) ) ) ) ) ) . ) )
( Patient ( has ( negative ROS ) ) )