Dose reduction to normal tissues as compared to the gross tumor by using intensity modulated radiotherapy in thoracic malignancies

Table 2 Dose constraints prescribed for organ at risks.

Organ at risk	organ 3/3	Organ 2/3	organ 1/3
Heart	40 Gy	45 Gy	60 Gy
Lung	17.5 Gy	30 Gy	45 Gy
Spinal Cord: Maximum point dose – 45 Gy

ISSN: 1748-717X