Introduction: Cancer, a chronic disease that has a high incidence with 14.1 million people and more than 8.1 million deaths, generating a large access gap according to the user's perception. Objectives: To determine the gaps in access to cancer treatment in a Hospital in Peru in 2019, due to predisposing, enabling and necessary factors. Method: observational, descriptive, cross-sectional study with 185 patients diagnosed with cancer who were treated at the oncology department of the Hospital María Auxiliadora between March and December 2019, applying a random survey. Results: The predisposing factors for the gap in access to cancer care were: primary education or none (p= 0.000), female gender (p=0.043), being afraid of a cancer diagnosis (p=0.000), being afraid of interventions (p=0.043) and being over 65 years old (p=0.000), having feelings of helplessness (p=0.000). Within the enabli...