Table 1.

Dosimetric comparison of axial vs. non‐axial beams.

	Axial Beams	Non‐Axial Beams	p value
% Heart receiving 20% of the dose	37.3	22.0	NS
% Heart receiving 50% of the dose	28.4	16.0	NS
% Heart receiving 80% of the dose	23.8	12.3	NS
% Heart receiving 100% of the dose	13.4	6.1	NS
% Lung receiving 20% of the dose	26.8	28.4	NS
% Lung receiving 50% of the dose	21.6	23.3	NS
% Lung receiving 80% of the dose	17.6	19.7	NS
% Lung receiving 100% of the dose	11.6	12.9	NS
% Esophagus receiving 20% of the dose	40.6	42.3	NS
% Esophagus receiving 50% of the dose	34.8	35.8	NS
% Esophagus receiving 80% of the dose	29.8	30.4	NS
% Esophagus receiving 100% of the dose	12.2	14	NS
% Spinal cord receiving 5% of the dose	3.0	4.5	NS
% Spinal cord receiving 10% of the dose	0.6	0.8	NS
% Spinal cord receiving 20% of the dose	0	0	NS