This function checks whether patients have lymph nodes in specific anatomical locations, either at diagnosis, during follow-up, or at any time point.
Arguments
- .data
The input dataframe containing patient node data
- location
Character string specifying the anatomical location to check. Must be one of: "L ext iliac", "L int iliac", "L com iliac", "R ext iliac", "R int iliac", "R com iliac", "Para Aortic", "L groin", "R groin", "R parame/paracervix", "L parame/paracervix", "other"
- time_point
Optional character string to specify which timepoint to check. Must be one of: "diagnosis", "followup", or "any" (default)