Fig. 3
From: Major pathologic response to alectinib in ALK-rearranged adenocarcinoma of the lung
Histological findings after the treatment with alectinib. (Left) No viable tumor cells are seen in most pathological sections cut from the primary tumor and lymph nodes. (Right) Only a small number of atypical cells were seen in some primary tumor sections (upper) and nodal sections (lower)