Coincidental Diagnosis

The person before me
Never flushed the WC.

Fortunately for him is
What I have to say to
That and but that we
Were on a ferry boat I
May have never go to
Diagnose him. Our paths
Crossed at the toilet door.
Roper turds can suggest
There is a cancerous
Growth in the intestine.
Stringy faeces is a sign.

Dare I tell him, as he sat
At the bar with his lady?

Well, I did and he was taken
Aback, 1 that he neglected
To pull the chain and 2 that
I suspected he had cancer!

He took my details and only
Today did I get a call and he
Had gone for tests and would
You believe it, I was right.