Why so many complications? Should I go to new doctor? Why? What's happening? (Photo)

BMX Jan .., Jan 25 a fold in breast turned necrotic & infection with hospitalization & surgery. Feb incision opened up 2 weeks later Surgery to close. Pseudomonas positive bacteria from cultures at that surgery. 2 other episodes of cellulitis and treatment. Finally replace tissue exspanders with implants in June. A week later an abscess ... Drained positive for pseudomonas. Developed a dimple on breast. Same side as abscess but it was drained closer to armpit. Now the dimple us turning black.