Welcome to health care magic. 1.Multiple lumps / lesions on the chest with collection within and sore on touch - possibilities are first hair follicular, infective aetiology, followed by lipomatous - fat containing lesions. 2.Once after examination it can be confirmed weather infective, an ultrasound scan will be helpful to identify the nature of the lesion ( content - solid, cystic, mixed) its source and where all its extended. 3.Some times cross sectional studies might be necessary if chest wall involvement seen internally. ( computer tomography) 4.The remedy for you is do not disturb the lumps by pressing , scratching, touching as you will complicate, delay in healing. 5.The treatment aspect is a course of antibiotic might help, in case of bigger size lumps - a small incision and drainage followed by the antibiotic will help. 6.Maintain local hygiene, clean with antiseptic liquid and avoid clothing which will cause irritation / use soft clothing. Good luck. Hope i have answered your query. Any thing to ask do not hesitate. Thank you.