Ruiz, R., Bardalez-Cruz, P., Marin-Calderón, L., Kapsoli, M., & Benites-Goñi, H. (2026). Management of early rectal cancer with massive submucosal invasion using endoscopic intermuscular dissection: a case report. evista e Gastroenterología el erú, 46(1), 71–73. https://doi.org/10.47892/rgp.2026.461.2060