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Table 4 Modified LENT SOMA Scale

From: A biologically competitive 21 days hypofractionation scheme with weekly concomitant boost in breast cancer radiotherapy feasibility acute sub-acute and short term late effects

  Grade1 Grade 2 Grade 3 Grade 4
Fibrosis Barely palpable increased density Definite increased density and firmness Very marked density, retraction and fixation  
Telangiectasia < 1cm2 1cm2 - 4cm2 > 4cm2  
Hyperpigmentation Mild Moderate Severe  
Retraction/Atrophy 10 - 25% > 25 - 40% > 40 - 75% Whole breast
Ulcer Epidermal only, ≤ 1cm2 Dermal, > 1cm2 Subcutaneous Bone exposed, necrosis