[Retracted] Mechanism of RNA circHIPK3 Involved in Resistance of Lung Cancer Cells to Gefitinib

Figure 7

Histopathological characteristics of lung cancer. Note: (a)–(c) were 40× images; (d)–(f) were 100× images.

(a)

(b)

(c)

(d)

(e)

(f)