Over the past decade several clinical trials have demonstrated that proper patient selection are important for the success of accelerated partial breast irradiation.  Criteria for Stanford’s clinical trial are:

Inclusion criteria:

age >= 40

tumor size <= 2.5 cm;

tumor type:  invasive ductal carcinoma or ductal carcinoma in situ

Exclusion criteria:

prior breast radiotherapy

breast implants

multi-focal or multicentric tumors

invasive lobular carcinoma

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