HER2-negative breast cancer accounts for 78% of all breast cancer cases. HER2 protein exists on all breast cells, supporting normal growth. HER2-positive cancer has up to 100 times more HER2 receptors
Common benign keratinocyte proliferation in middle-aged and elderly. Most common benign skin tumor, affecting people over 50. Usually presents as brown, waxy papules or plaques. Most common on head, neck, trunk, rarely on genitals
Nipple discharge affects 5-7% of women at some point in their lives. Discharge can vary in color, texture, and quantity. Most cases are benign and not linked to breast cancer
ESAS assesses nine common cancer patient symptoms using 0-10 scale. Tool developed by Edmonton Regional Palliative Care Program in 2004. Each symptom rated from absent to worst possible severity