Fig. 2From: Adding concurrent chemotherapy to postoperative radiotherapy improves locoregional control but Not overall survival in patients with salivary gland adenoid cystic carcinoma—a propensity score matched studyOpioid-requiring pain-free survival in patients with salivary gland adenoid cystic carcinoma treated with post-operative chemoradiotherapy (POCRT) (solid lines) or post-operative radiotherapy (PORT) (dashed lines), before (a) and after (b) propensity score matchingBack to article page