A<unk>  is a<unk>  growing at the anatomical site where<unk>  progression began and proceeded to yield a cancerous mass. Most cancers develop at their<unk>  site but then go on to metastasize or spread to other parts of the body. These further<unk> s are secondary<unk> s. Most cancers continue to be called after their<unk>  site, as in breast cancer or lung cancer for example, even after they have spread to other parts of the body. Cancer of unknown<unk>  origin is cancer in which secondary<unk> s are found but the original<unk>  site cannot be decided.
Primary tumor
Soft tissue pathology
Gynecologic pathology
Sexology
Chemotherapy regimen
Oral and maxillofacial pathology
Orthopedic pathology
Blood type