Hepatic arterial infusion Hepatic arterial infusion Hepatic Arterial Infusion (HAI) is a medical procedure that delivers chemotherapy directly to the liver. The procedure, mostly used in combination with systemic chemotherapy, plays a role in the treatment of liver metastases in patients with colorectal cancer (CRC). Although surgical resection remains the standard of care for these liver metastases, majority of patients have lesions that are unresectable. The liver derives its blood supply from two sources – via the hepatic arterial circulation and the portal circulation. Liver metastases get most of their blood supply primarily from the hepatic artery, whereas the normal liver cells get
Adjective phrase Adjective phrase An adjective phrase (or adjectival phrase) is a phrase the head word of which is an adjective, e.g. "fond of steak", "very happy", "quite upset about it", etc. The adjective can initiate the phrase (e.g. "fond of steak"), conclude the phrase (e.g. "very happy"), or appear in a medial position (e.g. "quite upset about it"). The dependents of the head adjective—i.e. the other words and phrases inside the adjective phrase—are typically adverb or prepositional phrases, but they can also be clauses (e.g. "louder than you are"). Adjectives and adjective phrases function in two basic ways, attributively or predicatively.