Ref: Breast Lumps

Add a vertical flowchart, like this:
Tender
 |
Y--Inflammation
 |
N--Sharply demarcated
       |
      Y--Fibroadenoma
       |
      N--Carcinoma

Carcinoma
Fibroadenoma
Fibrocystic change
Inflammatory
Fat necrosis
Paget's dz of breast
Chest wall sarcomas
Hyperplasia
Male gynecomastia
Tietze's disease