a medical practitioner specializing treatment of injuries, diseases, and other disorders by manual and instrumental means 

an alteration in the nucleic acid sequence of the

genome 

decreased cell production in a normal tissue or organ

an, organism, agent or substance promoting cancer development

a medical doctor specializing in diagnosing and treating tumors

enter and spread

aggressively

the term with the meaning cancerous tumor of the gland

adjective with the meaning

of a mild type or

character that does not threaten health or life; especially

a

rare

type of germ cell tumor contain