Response to letter to the editor regarding "low intraoperative end-tidal carbon dioxide levels are associated with improved recurrence-free survival after elective colorectal cancer surgery"

Affiliations

• ¹ Heidelberg University, Medical Faculty Heidelberg, Department of Anesthesiology, Heidelberg, Germany.
• ² Heidelberg University, Medical Faculty Heidelberg, Department of General, Visceral, and Transplantation Surgery, Heidelberg, Germany.
• ³ Heidelberg University, Medical Faculty Heidelberg, Institute of Medical Biometry, Heidelberg, Germany.
• ⁴ Heidelberg University, Medical Faculty Heidelberg, Department of Anesthesiology, Heidelberg, Germany.. Electronic address: jan.larmann@med.uni-heidelberg.de.