- •Age ≥ 18 years old, invasive ductal or lobular carcinoma, pTis/T1/T2, node negative, lumpectomy or mastectomy.
- •Partial breast radiation is safe and effective for suitable patients.
- •Age >40-50, Stage I (node negative) invasive ductal carcinoma, ER+PR+, grade 1-2 and low risk pure DCIS.
- •Lobular carcinoma may also benefit, but proceed with caution.
- •Globally, these shorter course regimens are becoming routine practice due to increased randomized evidence.
- •Mammogram or DBT should be obtained 6-12 months after completion of RT and yearly thereafter.
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