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. 2020 Mar 30;148:203–210. doi: 10.1016/j.radonc.2020.03.029

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Fig. 2 — Wearing of a surgical mask in addition to regular immobilization devices. (A) A head-and-neck patient wearing a surgical mask underneath a regular thermoplastic immobilization mask. (B) A cranial patient wearing a surgical mask underneath a semi-open thermoplastic immobilization mask. (C) A thoracic patient wearing a surgical mask on an immobilization Vac-Lok bag. (D) A head-and-neck patient with a laryngeal tube wearing a surgical mask underneath a regular thermoplastic immobilization mask with the laryngeal tube covered by another surgical mask.