A Pathologist Analyzes a Resected Colon with Carcinoma,and She Determines

Multiple Choice

A pathologist analyzes a resected colon with carcinoma,and she determines the tumor has penetrated deep into the colonic wall.Furthermore,there are a higher number of CD8+ T cells in and around the cancer,compared to most colon cancers analyzed in this way.What is the significance of the T cell finding?

A) Worse prognosis.
B) Better prognosis
C) No correlation with prognosis
D) More likely respond to anti-PD-1 therapy.
E) Patient likely to develop autoimmunity