Inclusion Criteria:

1. primary diagnosis of lung cancer (ICD C33/C34, all stages)
2. treatment in one of six recruiting hospitals treating patients with lung cancer (University Hospital Regensburg, Hospital Barmherzige Brüder Regensburg, Hospital Bayreuth, Hospital Coburg, Hospital Kulmbach, Hospital Bamberg);
3. difference between date of histology and date of study entry not exceeding 2 months;
4. informed consent;

Exclusion Criteria:

1. unavailability of a study clinician for patient recruitment;
2. patient misclassified in the candidate list (no primary diagnosis, no lung tumour);
3. coordinating practitioner refuses trial participation;
4. patient outside the defined study region (Germany, Bavaria: Upper Palatinate, Lower Bavaria, Upper Franconia);
5. age under 18 years;
6. pregnancy/ breastfeeding;
7. patient unable to fill out the QoL questionnaire (physical, psychological, cognitive, language reasons);
8. patient refuses trial participation