Biological Sciences and Healthcare, part 5

... > Observable entity > Proliferative mass observable (observable entity) > Tumor observable (observable entity) > Tumor extent of invasion (observable entity) > Tumor invasion > Presence of direct invasion by primary malignant neoplasm > Status of tumor perineural invasion (observable entity) > Status of perineural invasion by primary malignant neoplasm of duodenum > Status of perineural invasion by primary malignant neoplasm of ampulla of Vater

... > Observable entity > Proliferative mass observable (observable entity) > Tumor observable (observable entity) > Tumor extent of invasion (observable entity) > Tumor invasion > Presence of direct invasion by primary malignant neoplasm > Status of tumor perineural invasion (observable entity) > Status of perineural invasion by primary malignant neoplasm of extrahepatic bile duct > Status of perineural invasion by primary malignant neoplasm of ampulla of Vater

... > Observable entity > Proliferative mass observable (observable entity) > Tumor observable (observable entity) > Tumor extent of invasion (observable entity) > Tumor invasion > Presence of direct invasion by primary malignant neoplasm > Status of tumor perineural invasion (observable entity) > Status of perineural invasion by primary malignant neoplasm of pancreas > Status of perineural invasion by primary malignant neoplasm of ampulla of Vater