Lapatinib Completed Phase 2 / 3 Trials for Tubular Breast Cancer Stage II / Invasive Ductal Breast Carcinoma / Inflammatory carcinoma of breast stage IV / Tubular Breast Cancer Stage III / Mucinous Breast Cancer Stage II / HER-2 Positive Breast Cancer / Malignant Neoplasm of Female Breast / Inflammatory carcinoma of the breast Treatment