TY - GEN AU - Khan,Tahsin M AU - Hoang,Chuong D TI - Commentary: Pigmented spot during esophagoscopy-a mole or melanoma? SN - 1097-685X PY - 2020/// PB - The Journal of thoracic and cardiovascular surgery N1 - Publication Type: Editorial UR - https://doi.org/10.1016/j.jtcvs.2020.03.086 ER -