Biological Sciences and Healthcare, part 3

Observable entity > Sample observable > Microscopic specimen observable (observable entity) > Organ AND/OR tissue microscopically involved by tumor (observable entity) > Organ AND/OR tissue, other than fallopian tube, microscopically involved by tumor (observable entity)

... > Observable entity > Proliferative mass observable (observable entity) > Tumor observable (observable entity) > Organ AND/OR tissue involved by tumor (observable entity) > Organ AND/OR tissue microscopically involved by tumor (observable entity) > Organ AND/OR tissue, other than fallopian tube, microscopically involved by tumor (observable entity)