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| Fig. 
1 | Right hand; gangrene of thumb and 
tips of second, third and fifth fingers. |  |  
 
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| Fig. 
2 | Right mastectomy, postirradiation 
scarring of skin with multiple telangiectasia. |  |  
 
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| Fig. 
3a | Arteriography; occluded right axillary 
artery, poorly formed collateral circulation |  |  
 
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| Fig. 
3b | Arch arteriography; other arteries 
showed normal finding |  |  
 
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| Fig. 
4 | Schematic drawing of the anatomic 
situation in a carotid-brachial bypass graft. The 6 
mm ring supported Dacron graft is placed subcutaneously 
avoiding areas of previous irradiation and scarring. |  |  
 
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| Fig. 
5 | Right hand, autoamputation of the 
thumb and tip of the second finger, and good healing 
of the stumps. |  |  |