Transanal endoscopic microsurgery for residual rectal cancer after neoadjuvant chemoradiation therapy is associated with significant immediate pain and hospital readmission rates - Perez, R O; Habr-Gama, A; São Julião, G P; Proscurshim, I; Scanavini Neto, A; Gama-Rodrigues, J (Dis Colon Rectum, 2011)