cancer
carcinoma
cell
digestive
eosin
esophageal
esophagus
hematoxylin
histology
histopathology
magnification
malignant
medical
medicine
micro
micrograph
microphotograph
microscope
microscopic
microscopy
morphological
morphology
neoplasm
oncology
pathology
photomicrograph
stain
system
tissue
tumor
tumour