"C1710038"^^ . "Second_Line_Treatment"^^ . "second-line therapyPTNCI-GLOSSCDR0000346513" . "Second Line TreatmentPTNCI" . "Second Line TherapySYNCI" . "Second Line Treatment"^^ . . "Treatment that is given when initial treatment (first-line therapy) doesn't work, or stops working.NCI-GLOSS" . "The second preferred therapy for a particular condition, used after first-line treatment fails or if a person cannot tolerate first-line drugs.NCI" . "Therapeutic or Preventive Procedure"^^ . . "Second Line Treatment"^^ . "FDA"^^ . . "SECOND LINE TREATMENTPTFDA" . "C54350"^^ .