1. Lymphangitis carcinomatosa is a typical feature of:
a. Ca tongue
b. Hepatoma
c. Hypernephroma
d. Ca pancreas
2. Best investigation for extradural phaeochromocytoma
a.MRI
b.PET
c.CT
d.MIBG
3. Most common cause of tree in bud appearance on HRCT chest?
a. Endobranchial spread TB
b. Haematogenous spread TB
c. Pneumocystis carinii
d. RSV