Primary pulmonary hyalinizing clear cell carcinoma harboring EWSR1::ATF1 fusion: a case report
Hyalinizing clear cell carcinoma (HCCC) is a rare salivary gland–type tumor that occasionally arises in the lung. As it shows substantial morphological overlap with mucoepidermoid carcinoma (MEC), definitive diagnosis can be challenging. Therefore, molecular testing is essential, as MEC typically harbors CRTC1/3::MAML2...