Recurrence patterns-analysis from a South Indian breast cancer patient cohort.

Background: The current study analyzes the pattern of recurrence/relapse in breast cancer patients belonging to different receptor subtypes to help enhance therapeutic and surveillance methods.

Methods: This is an observational prospective study of a cohort of 543 patients from South India. Associations between various factors and their significance in relapse were assessed by odds ratio (OR), Chi-square test, and two-sided P value.