Significant associations of high TFF1 expression with favorable tumor features or favorable prognosis were also found in gallbladder adenocarcinoma [11], while high TFF1 expression was linked to unfavorable tumor parameters or poor patient outcomes in adenocarcinoma of the lung [30,31], colorectal adenocarcinoma [9,59], and in urothelial carcinoma [60]. Here, TFF1 is linked to lung adenocarcinoma.