Bone scintigraphy: multiple + uptake; gastroscopy: malign ulcus; biopsy: signet cell carcinoma (antrum); CEA, CA 19.9: very high, Ca125: high, AFP, PSA, F-PSA:N; thoracal MR: loss of height in Th8; toraks CT: frosted glass appearance in lower and middle zones, minimal pleural effusion bilaterally; abdominopelvic CT:N; skelatal XR: Lumbar and pelvic sclerotic lesions. Here, KLK3 is linked to Pleural effusion.