My 18 year old son has excess abnormal fat around chest area, please advise?

My son 18 year old ,weight 71.3kg ,height 163cm,having excess fat around chest area,due to which he feels discomfort and lack of confidence.His recent pathological reports are as here under
Homocysteine- 42.4 umol/L
Vitamin D – 13.01ng/ml
Prolactin – 23.37 ng/ml
HDL CHOLESTEROL DIRECT – 33 mg/dl
TC/HDL CHOLESTEROL RATIO – 5.2 ratio
Mean Corpuscular Volume (MCV) – 104.6 fL
Mean Corp. Hemo.Conc(MCHC )- 28.5 g/dL
Red Cell Distribution Width- SD(RDW-SD) – 58.2 fL
Red Cell Distribution Width(RDW – CV) – 15.9 %
Growth Hormone – <0.05 Rest of his test regarding Hormone (FSH,LH,Testosterone etc) , thyroid, diabetes,lever,kidney,Hb,VitaminB12 etc are ok and in normal range. Doctor please let me know what complication he is having as per reports. He is also suffering with skin psoriasis problem. Kindly help..

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