A Prospective Observational Study on of Early-Onset Gastrointestinal Cancer: From Tumor Features to Patient Lifestyle Habits

The YOGICO study aims to characterize the distinctive features of EoGI cancer through a holistic approach that integrates clinical and demographic data, tumor biological characteristics, and patient lifestyle habits

Inclusion Criteria: * Provide a signed and dated informed consent form (ICF) * Willing to comply with all study procedures and be available for the duration of the study * Male or female, aged 18-49 years old at time of EoGI cancer diagnosis * Patients with newly diagnosed early-onset gastrointestinal cancer histologically confirmed: colorectal, gastroesophageal and pancreatic tumor site, regardless of histological type * Any disease stage, performance status, and type of treatment, including experimental therapies and supportive care * Previous or concomitant malignancies are allowed provided they do not involve the gastrointestinal tract Exclusion Criteria: * Cognitive, linguistic, or physical barriers that prevent a detailed reconstruction of the patient's personal medical history including past lifestyle habits * Having previously received any treatments directed at the newly diagnosed EOGI cancer (i.e., at the time of inclusion, the patient has not yet started any type of treatment, excluding surgery)