Most important prognostic factor of cancer esophagus:: (A) Length of growth, (B) Depth of involvement, (C) Histology grading, (D) Immunohistochemistry
Answer is B. Ans. (b) Depth of invasionRef: Bailey and Love 27th Edition, Page 1085 Prognostic factors of cancer esophagus:* Depth of invasion* Lymph node status* Presence of distant metastasis* Resection margin* Serosal or Peritoneal involvement* Vascular invasion