When customizing text, you should rarely modify the factory default modality & region templates. They are designed to accept any modality and any region, which gets merged into the template upon text generation. These templates are published if you need to restore your plan templates to the factory default.
Treatment consisted of {modality} to the {region}, in order to {modality_goal}.
In order to {modality_goal}, {modality} was administered to the {region}.
Therapy included {modality} to the {region} to {modality_goal}.
The {region} received {modality} to {modality_goal}.
{Modality} was administered to the {region}. This treatment is given to {modality_goal}.
{Modality} was given to the {region}. The effect is to {modality_goal}.
{Modality} was recommended to {modality_goal} in the {region}.
{Modality} was advised to {modality_goal} in the {region}.
To {modality_goal}, {modality} was administered to the {region}.
Treatment consisted of {modality} to the {region}. The purpose is to {modality_goal}.
To {modality_goal}, the {region} received {modality}.