What factor is NOT typically considered when assessing suitability for ablation therapy?

When evaluating a patient's suitability for ablation therapy, the focus is primarily on medical and clinical factors that influence both the procedure's success and the patient's safety. Factors such as the patient's overall health condition are crucial, as they determine whether the patient can safely undergo the procedure without excessive risk. Similarly, lesion characteristics—including size, location, and type—are vital in assessing whether the ablation technique can effectively treat the lesion and what complications might arise.

Additionally, understanding a patient's response to previous treatments helps in tailoring the approach for the current ablation strategy, as it provides insight into the effectiveness of prior interventions and informs future management.

While cost is undeniably an important aspect of healthcare delivery, it is not a clinical factor that directly influences the appropriateness of a specific treatment from a medical perspective. Therefore, cost does not play a role in assessing a patient's suitability for ablation therapy, making it the correct answer.