PATIENT_ID	START_DATE	STOP_DATE	EVENT_TYPE	TREATMENT_TYPE	SUBTYPE	AGENT
Testpatient	125	145	TREATMENT	Medical Therapy	Chemotherapy	X
Testpatient	145	160	TREATMENT	Medical Therapy		X + Y
Testpatient	180	210	TREATMENT	Medical Therapy		X + Z
Testpatient	125	200	TREATMENT	Radiation Therapy	IMRT	