Radiotherapy Can Cause Haemostasis in Bleeding Skin Malignancies

Table 1

Definition of volumes in radiotherapy.

Gross tumour volume; (GTV)	The gross, palpable, or visible/clinically demonstrable location and extent of the malignant growth
Clinical target volume; (CTV)	Anatomical concept-defines a tissue volume that contains a GTV and/or subclinical microscopic malignant disease, which has to be eliminated.
Planning target volume; (PTV)	Geometrical concept-selects appropriate beam sizes and arrangements, while taking into account all the possible geometrical variations and inaccuracies.