biopsy of esophagus: adenocarcinoma in situ in tubulovillous adenoma
biopsy of esophagus: adenocarcinoma in situ in tubulovillous adenoma
biopsy of esophagus: adenocarcinoma in situ in tubulovillous adenoma (procedure)
biopsy of esophagus: adenocarcinoma in situ in tubulovillous adenoma (procedure)