Activities Performed by ASCO-Sponsored Oncology Student Interest Groups in Latin America: Assessing Members' Preferences and Leaders' Challenges.

OSIGs' leaders, medical schools, and international oncology organizations should work together to design activities that increase medical students' exposure to oncology-related professionals and encourage their participation in international oncological events. These schools and organizations should actively support OSIG leaders when facing difficulties to prevent members' disengagement and groups' discontinuation.