; and (2) if the conditions under subsection (b) are met, any supplemental medical evidence described in subsection (c). (b) Diagnosing complicated pneumoconiosis In diagnosing whether there is complicated pneumoconiosis as a part of a medical examination conducted under subsection (a), the Secretary shall authorize a high-quality, low-dose or standard computerized tomography scan where any or a combination of the following is found: (1) Any certified B reader of a chest radiograph associated with an exam conducted under section 413(b) finds advanced pneumoconiosis (ILO category 2/1 or greater). (2) Any certified B reader of a chest radiograph associated with an exam conducted under section 413(b) finds a coalescence of small opacities. (3) Any certified B reader of a chest radiograph associated with an exam conducted under section 413(b) has a reasonable belief that there may be a large opacity in the upper lungs that has been obscured by bony structures. (c) Conditions for supplemental medical evidence The Secretary shall develop supplemental medical evidence, in accordance with subsection (d)— (1) for any claim in which the Secretary recommends an award of benefits based on the results of the initial report under subsection (a)(1) and a party opposing such award submits evidence that could be considered contrary to the findings of the Secretary; and (2) for any compensation case under this title heard by an administrative law judge, in which— (A) the Secretary has awarded benefits to the claimant; (B) the party opposing such award has submitted evidence not previously reviewed that could be considered contrary to the award under subparagraph (A)