External upper lip External lower lip External lip, NOS Mucosa of upper lip Mucosa of lower lip Mucosa of lip, NOS Commissure of lip Overlapping lesion of lip Lip, NOS Base of tongue, NOS Dorsal surface of tongue, NOS Border of tongue Ventral surface of tongue, NOS Anterior 2/3 of tongue, NOS Lingual tonsil Overlapping lesion of tongue Tongue, NOS Upper gum Lower gum Gum, NOS Anterior floor of mouth Lateral floor of mouth Overlapping lesion of floor of mouth Floor of mouth, NOS Hard palate Soft palate, NOS Uvula Overlapping lesion of palate Palate, NOS Cheek mucosa Vestibule of mouth Retromolar area Overlapping lesion of other and unspecified parts of mouth Mouth, NOS Parotid gland Submandibular gland Sublingual gland Overlapping lesion of major salivary glands Major salivary gland, NOS Tonsillar fossa Tonsillar pillar Overlapping lesion of tonsil Tonsil, NOS Vallecula Anterior surface of epiglottis Lateral wall of oropharynx Posterior wall of oropharynx Branchial cleft Overlapping lesion of oropharynx Oropharynx, NOS Superior wall of nasopharynx Posterior wall of nasopharynx Lateral wall of nasopharynx Anterior wall of nasopharynx Overlapping lesion of nasopharynx Nasopharynx, NOS Pyriform sinus Postcricoid region Hypopharyngeal aspect of aryepiglottic fold Posterior wall of hypopharynx Overlapping lesion of hypopharynx Hypopharynx, NOS Pharynx, NOS Laryngopharynx Waldeyer's ring Overlapping lesion of lip, oral cavity and pharynx Cervical esophagus Thoracic esophagus Abdominal esophagus Upper third of esophagus Middle third of esophagus Lower third of esophagus Overlapping lesion of esophagus Esophagus, NOS Cardia, NOS Fundus of stomach Body of stomach Gastric antrum Pylorus Lesser curvature of stomach, NOS Greater curvature of stomach, NOS Overlapping lesion of stomach Stomach, NOS Duodenum Jejunum Ileum Meckel's diverticulum Overlapping lesion of small intestine Small intestine, NOS Cecum Appendix Ascending colon Hepatic flexure of colon Transverse colon Splenic flexure of colon Descending colon Sigmoid colon Overlapping lesion of colon Colon, NOS Rectosigmoid junction Rectum, NOS Anus, NOS Anal canal Cloacogenic zone Overlapping lesion of rectum, anus and anal canal Liver Intrahepatic bile duct Gallbladder Extrahepatic bile duct Ampulla of Vater Overlapping lesion of biliary tract Biliary tract, NOS Head of pancreas Body of pancreas Tail of pancreas Pancreatic duct Islets of Langerhans Other specified parts of pancreas Overlapping lesion of pancreas Pancreas, NOS Intestinal tract, NOS Overlapping lesion of digestive system Gastrointestinal tract, NOS Nasal cavity Middle ear Maxillary sinus Ethmoid sinus Frontal sinus Sphenoid sinus Overlapping lesion of accessory sinuses Accessory sinus, NOS Glottis Supraglottis Subglottis Laryngeal cartilage Overlapping lesion of larynx Larynx, NOS Trachea Main bronchus Upper lobe, lung Middle lobe, lung Lower lobe, lung Overlapping lesion of lung Lung, NOS Thymus Heart Anterior mediastinum Posterior mediastinum Mediastinum, NOS Pleura, NOS Overlapping lesion of heart, mediastinum and pleura Upper respiratory tract, NOS Overlapping lesion of respiratory system and intrathoracic organs Ill-defined sites within respiratory system Long bones of upper limb, scapula and associated joints Short bones of upper limb and associated joints Long bones of lower limb and associated joints Short bones of lower limb and associated joints Overlapping lesion of bones, joints and articular cartilage of limbs Bone of limb, NOS Bones of skull and face and associated joints Mandible Vertebral column Rib, Sternum, Clavicle and associated joints Pelvic bones, Sacrum, Coccyx and associated joints Overlapping lesion of bones, joints and articular cartilage Bone, NOS Blood Bone marrow Spleen Reticuloendothelial system, NOS Hematopoietic system, NOS Skin of lip, NOS Eyelid External ear Skin of other and unspecified parts of face Skin of scalp and neck Skin of trunk Skin of upper limb and shoulder Skin of lower limb and hip Overlapping lesion of skin Skin, NOS Peripheral nerves and Autonomic nervous system of head, face, and neck Peripheral nerves and Autonomic nervous system of upper limb and shoulder Peripheral nerves and Autonomic nervous system of lower limb and hip Peripheral nerves and Autonomic nervous system of thorax Peripheral nerves and Autonomic nervous system of abdomen Peripheral nerves and Autonomic nervous system of pelvis Peripheral nerves and Autonomic nervous system of trunk, NOS Overlapping lesion of peripheral nerves and autonomic nervous system Autonomic nervous system, NOS Retroperitoneum Specified parts of peritoneum Peritoneum, NOS Overlapping lesion of retroperitoneum and peritoneum Connective, Subcutaneous and other Soft tissues of head, face, and neck Connective, Subcutaneous and other Soft tissues of upper limb and shoulder Connective, Subcutaneous and other Soft tissues of lower limb and hip Connective, Subcutaneous and other Soft tissues of thorax Connective, Subcutaneous and other Soft tissues of abdomen Connective, Subcutaneous and other Soft tissues of pelvis Connective, Subcutaneous and other Soft tissues of trunk, NOS Overlapping lesion of connective, subcutaneous and other soft tissues Connective, Subcutaneous and other Soft tissues, NOS Nipple Central portion of breast Upper-inner quadrant of breast Lower-inner quadrant of breast Upper-outer quadrant of breast Lower-outer quadrant of breast Axillary tail of breast Overlapping lesion of breast Breast, NOS VULVA Labium majus Labium minus Clitoris Overlapping lesion of vulva Vulva, NOS Vagina, NOS Endocervix Exocervix Overlapping lesion of cervix uteri Cervix uteri Isthmus uteri Endometrium Myometrium Fundus uteri Overlapping lesion of corpus uteri Corpus uteri Uterus, NOS Ovary Fallopian tube Broad ligament Round ligament Parametrium Uterine adnexa Other specified parts of female genital organs Overlapping lesion of female genital organs Female genital tract, NOS Placenta Prepuce Glans penis Body of penis Overlapping lesion of penis Penis, NOS Prostate gland Undescended testis Descended testis Testis, NOS Epididymis Spermatic cord Scrotum, NOS Other specified parts of male genital organs Overlapping lesion of male genital organs Male genital organs, NOS Kidney, NOS Renal pelvis Ureter Trigone of bladder Dome of bladder Lateral wall of bladder Anterior wall of bladder Posterior wall of bladder Bladder neck Ureteric orifice Urachus Overlapping lesion of bladder Bladder, NOS Urethra Paraurethral gland Overlapping lesion of urinary organs Urinary system, NOS Conjunctiva Cornea, NOS Retina Choroid Ciliary body Lacrimal gland Orbit, NOS Overlapping lesion of eye and adnexa Eye, NOS Cerebral meninges Spinal meninges Meninges, NOS Cerebrum Frontal lobe Temporal lobe Parietal lobe Occipital lobe Ventricle, NOS Cerebellum, NOS Brain stem Overlapping lesion of brain Brain, NOS Spinal cord Cauda equina Olfactory nerve Optic nerve Acoustic nerve Cranial nerve, NOS Overlapping lesion of brain and central nervous system Nervous system, NOS Thyroid gland Cortex of adrenal gland Medulla of adrenal gland Adrenal gland, NOS Parathyroid gland Pituitary gland Craniopharyngeal duct Pineal gland Carotid body Aortic body and other paraganglia Overlapping lesion of endocrine glands and related structures Endocrine gland, NOS Head, face or neck, NOS Thorax, NOS Abdomen, NOS Pelvis, NOS Upper limb, NOS Lower limb, NOS Other ill-defined sites Overlapping lesion of ill-defined sites Lymph nodes of head, face and neck Intrathoracic lymph nodes Intra-abdominal lymph nodes Lymph nodes of axilla or arm Lymph nodes of inguinal region or leg Pelvic lymph nodes Lymph nodes of multiple regions Lymph node, NOS Unknown primary site Other Not Specified