Inclusion Criteria:

- Histological or cytological confirmed solid tumour, primary or secondary stage IV
and/ or tumours with no curative treatment options

- WHO performance status 0 to 1

- Normal white blood cell count and formula

- Normal platelet count

- No anaemia requiring blood transfusion or erythropoietin

- Adequate hepatic function: Total bilirubin ≤ 1.5 x upper limit of normal (ULN) for
the institution; ALT, AST, and alkaline phosphatase ≤ 2.5 x ULN for the institution)

- Calculated Creatinin clearance at least 60 ml/min

- No administration of Fluor-18 in the previous 24 hours

- The patient is capable of complying with study procedures

- 18 years or older

Exclusion Criteria:

- Only visible tumor sites in the upper abdomen (because the uptake of VM4-037 in the
liver, stomach and the kidneys would interfere with image quality of the tumor)

- Known hypersensitivity for sulfonamides

- Recent (< 3 months) myocardial infarction

- Uncontrolled infectious disease

- Less than 18 years old

- Pregnancy

- No concurrent anti-cancer agents or radiotherapy allowed