Table 3. Radiologic tests and their evaluation subjects in patients with lung cancer.

Radiologic test	Evaluation subject
Chest CT including upper abdomen/adrenal glands (within 60 days from beginning of initial treatment)	All patients diagnosed as lung cancer
PET or PET-CT	Stage IB–III NSCLC
Brain CT or MRI	LD-SCLC
	Stage II, III NSCLC

CT: computed tomography; PET: positron emission tomography; NSCLC: non-small cell lung cancer; MRI: magnetic resonance image; LD: limited disease; SCLC: small cell lung cancer.