<p>Gastric bypass surgery is a highly effective treatment for morbid obesity, offering significant and sustained weight loss and improvement in comorbid conditions. However, the long-term success of this intervention is closely tied to robust postoperative follow-up care. Currently, there is a lack of consensus on the definitions of medium- and long-term follow-up, complicating the comparison of outcomes across studies. This inconsistency, coupled with challenges in patient adherence and healthcare infrastructure, emphasizes the need for better-defined follow-up periods and increased monitoring over time. This commentary addresses the critical need for standardized definitions and practices in medium- and long-term follow-up to optimize patient outcomes.</p>