Quo Vadis Radiotherapy? Technological Advances and the Rising Problems in Cancer Management

Table 1

Comparative clinical results for proton and heavy ion therapy with conventional therapy (modified from [14]).

Tumour site	Proton therapy		Heavy ion therapy
	Studies/Patients	Results	Studies/Patients	Results
Head and neck	2/62	Not conclusive	2/65	Not conclusive
Prostate	3/1751	Similar	4/201	Not conclusive
Eye	10/7708	Superior	2/1343	Similar to protons
Lung	3/156	Not conclusive	3/205	Similar to stereotactic radiotherapy
CNS	10/839	Similar	3/405	Similar to protons
Gastro-intestinal	5/369	Not conclusive	2/73	Not conclusive
Pelvic	3/80	Not conclusive	2/49	Not conclusive