Video-Tumorboard PLUS

Inclusion Criteria:

• The study includes adult, external patients who, according to the certificationrequirements of the German Cancer Society, should be presented to the CCCs in atumor board .

Inclusion criteria for patients:

• Minimum age 18 years

• Consent to participate in the study (signing of patient consent) should be presentedin vTB+ according to the doctor, based on the disease/diagnosis, especially in thecase of:

• Malignant melanoma from stage IIB

• Malignant melanoma and stage shift/recurrence o Extracutaneous melanoma oCutaneous lymphoma from stage Ib o Problem cases with malignant, epithelialtumors (BCC, SCC) with interdisciplinary issues, e.g. complicated localization,extension/ infiltration (e.g. Ulcus rodens, Ulcus terebrans), metastasizedtumors, immunosuppressed patients o all rare malignant skin tumors (includingMerkel cell carcinoma, DFSP, MFH, leiomyosarcoma, S., Kaposi's sarcoma,angiosarcoma), regardless of stage o severe side effects from drug-based tumortherapy • is an external patient: An external patient is someone who receivestumor therapy exclusively or in co-treatment in the branch or in an externalclinic (in distinction to patients without prior treatment for initialpresentation at the CCC) . This also applies to patients who are only seen onceat the vTB.

In this case, revenue/cost aspects and the DKG requirement are ignored. This means that so-called external patients can also be treated at the center, including initiation of therapy. The decisive factor is the presentation of the external patient (personal presentation of the external patients is not mandatory) and that external co-treaters are consistently informed and involved.

Inclusion criteria for external doctors:

• has a medical license

• has dermatological patients who are eligible to be presented in the vTB+

Exclusion Criteria:

Patients will be excluded from the study if they meet the following criteria:

• Linguistic or other limitations (such as dementia) that prevent independent consentto the privacy policy.

• No consent to participate in the study (patient consent) or withdrawal of consentduring the course of the study In addition, external physicians will be excludedfrom the study if no joint cooperation agreement can be negotiated and signed.