an increased chromosomal breakage rate ( icbr ) was found in 27 of 28 patients with scleroderma ( systemic sclerosis , ss ) - 5 with the syndrome including calcinosis cutis , raynaud phenomenon , esophagus hypomotility , sclerodactyly and telangiectasia ( crest ) , 4 incomplete crest , 1 overlapping syndrome , 18 progressive systemic sclerosis ( pss ) .
C0011644
scleroderma
C0036421
progressive systemic sclerosis