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What is Esophageal carcinoma what is the most important prognostic indicator? and explain in detail?
Ans. is 'b' i.e., Depth of invasion Prognostic indicators in esophageal carcinoma:* The depth of invasion of the tumor through the wall of esophagus, is the most important prognostic indicator, with considerable independent prognostic significance.* Presence or absence of lymph nodal metastases is a significant and independent indicator of prognosis.Other prognostic indicators:* Presence or absence of distant metastases* Resection margins* Serosal or peritoneal involvement* T1 subclassification* Vascular invasion