Adverse drug reactions are appreciably harmful or unpleasant reactions resulting from an intervention related to the use of medical products, which predicts hazard from future administration and warrants prevention or specific treatment, or alteration of the dosage regimen, or withdrawal of the product. Given medical case reports extracted from MEDLINE, the task is to classify whether the case report mentions the presence of any adverse drug reaction. Classify your answers into non-adverse drug event and adverse drug event.

Ideally, the ostium is treated by positioning the stent with a slight degree of overhang in the aorta to ensure coverage of the aorto-ostial junction.
non-adverse drug event

Because the cerebellar toxicity may be worsened by continuation of therapy after initial onset of symptoms, prompt termination of HDARAC is recommended.
adverse drug event

Multicentric hepatocellular carcinoma following phosphate diethylstilbestrol therapy for prostatic cancer.

adverse drug event