public Builder clearMedical() {
      bitField0_ = (bitField0_ & ~0x00000004);
      medical_ = 0;
      onChanged();
      return this;
    }
<pre>
Likelihood that this is a medical image.
</pre>

<code>.google.cloud.vision.v1p4beta1.Likelihood medical = 3;</code>

@return This builder for chaining.
java-vision/proto-google-cloud-vision-v1p4beta1/src/main/java/com/google/cloud/vision/v1p4beta1/SafeSearchAnnotation.java