Nasopharynx
Radiation Oncology
Stomach
Other pharynx Oesophagus Larynx Nasopharynx Lip, oral cavity
Trachea, bronchus and lung
Larynx Lip, oral cavity Other pharynx Oesophagus Nasopharynx
Nasopharynx Other pharynx
Oesophagus
Nasopharynx Oesophagus Other pharynx Lip, oral cavity Larynx