TABLE 4.

Example items inluced in the written directive for brachytherapy plans

Recommended	Optional
Treatment site (anatomic site and laterality)
Applicator name (size, model, and number of catheters if applicable)/isotope
Fractional dose/fraction pattern, total dose
Normalization points or volume (isodose line (%),absolute dose, treatment depth/length, specified point, or DVH endpoint)
Image guidance (if applicable)
Time interval for non‐standard fraction pattern
Physician approval (prior to treatment)