title: Correspondence (letter to the editor): Incomplete picture.
authors.forename: Achim A R
authors.initials: AA
authors.lastname: Starke
authors.forename: Peter E
authors.initials: PE
authors.lastname: Goretzki
authors.forename: Christiane
authors.initials: C
authors.lastname: Saddig
mesh_terms: D005770:Gastrointestinal Neoplasms / Q000175:diagnosis* / Q000628:therapy*; D006801:Humans; D018358:Neuroendocrine Tumors / Q000175:diagnosis* / Q000628:therapy*