MRI-Visible Prostate Tumour
In the de-escalated arm, the gross tumor volume receives a 4 mm margin cropped at the prostate capsule. The 4 mm margin is intended to balance microscopic extension coverage against overtreatment. The MRI-visible tumor is contoured using b…
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In the de-escalated arm, the gross tumor volume receives a 4 mm margin cropped at the prostate capsule. The 4 mm margin is intended to balance microscopic extension coverage against overtreatment. The MRI-visible tumor is contoured using biparametric or multiparametric MRI to define gross tumor volume. Intraprostatic recurrence usually occurs at the original tumor site. Clinically significant prostate tumor burden is concentrated in MRI-visible lesions according to the article's rationale.