There are two types of altered fractionation: hyperfractionation and accelerated fractionation. Hyperfractionation relates to radiotherapy delivered for each fraction rather than the total ...

Head and neck cancer comprises a group of biologically similar cancers that start in the lip, oral cavity (mouth), nasal cavity (inside the nose), paranasal sinuses, pharynx and larynx. Most head ...

For technical reasons, the English full text will be published approximately two weeks after the German print edition has been published.