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Fig. 1 | Radiation Oncology

Fig. 1

From: Dosimetric comparison of different radiation techniques (IMRT vs. 3-dimensional) of the “true” (deep) ano-inguinal lymphatic drainage of anal cancer patients

Fig. 1

The ano-inguinal lymphatic drainage (a) consist of a dorsal/cranial (ischiorectal fossa) and a ventral/caudal part (subcutaneous tissue from the anus to inguinal site). The caudal part is currently not included into the elective CTV of the recommendations by RTOG. For dose comparison we divided the caudal part in three different Levels (b), each with a longitudinal extension of 1 cm

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Radiation Oncology

ISSN: 1748-717X

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