Towards an Understanding of Barriers and Delays in the Diagnosis of Anal Cancer

This study examines care pathways in 300 patients with anal squamous cell carcinoma to identify barriers and delays in diagnosis, assess the impact of screening and access to care, and improve awareness, screening practices, and early diagnosis.

Inclusion Criteria: 1. Male or female ≥ 18 years 2. Histologically proven invasive or microinvasive squamous cell carcinoma of the anus 3. Having read and understood the information letter provided, either: i. After disclosure of the diagnosis, or ii. At the latest 6 months after initiation of treatment (surgical excision, radiotherapy, or chemoradiotherapy) 4. Affiliated with a social security system Exclusion Criteria: 1. Refusal to participate in the protocol 2. Other histological types: lymphoma, adenocarcinoma, neuroendocrine tumor, etc. 3. Time since treatment initiation greater than 6 months 4. Protected persons (pregnant women, breastfeeding women, individuals under guardianship or curators, minors, persons deprived of liberty, or persons unable to express informed consent).