Table 3.

Adverse events

Treatment location	Complication	SIR classification	Timing	Risk factors	Intervention	Outcome
Shoulder girdle	Hematoma	Grade 1	Periprocedural	Aspirin use	Observation	Self‐limited
Abdominal wall	Skin injury	Grade 1	Immediate	Tumor location	Observation	Self‐limited
Gluteal/hip	Skin injury	Grade 1	Periprocedural	None	Observation	Self‐limited
Abdominal wall	Skin injury	Grade 1	Peri‐procedural	None	Observation	Self‐limited
Head/neck	Weakness, neuropathic pain	Grade 4	Immediate	Tumor location	Physical therapy	Symptom resolution (after ~6 mo)
Gluteal/hip	Nerve injury, foot drop	Grade 4	Immediate	Tumor location	Physical therapy	Improved but residual symptoms

Note: Grade 1, mild; Grade 2: moderate; Grade 3, severe; Grade 4, life‐threatening or disabling; Grade 5, patient death.