Sharing Fears of a Cancer Cluster
By Nina Siegal
Copyright 1999 New York Times
January 10, 1999
When Gwendolyn G. Madden got a diagnosis of colon 
cancer in 1997, she began to take unofficial note of the other
people who lived in 
her building, 409 Edgecombe Avenue, and in a five-block area of her
neighborhood, Sugar Hill, who had 
cancer. From 145th Street 
north, she said, she has counted 15 people in the throes of the
disease, and 4 
or 5 more who have recently died. 
"It seems as though most of the people who have passed
away in this area, it has 
been the big C that took them away," she said.  
 Ms. Madden, a member of the 150-155 Edgecombe Avenue Block
Association, which 
has also been informally tracking 
cancer rates, says she has seen a high incidence of breast 
cancer, colon 
cancer and spinal 
cancer. She thinks the numbers are increasing. 
"I felt the same as most people I talked to 
felt," she said. 
"Gee, it's really unfortunate, but what can we do?" 
But Maritta Dunn, chairwoman of Community Board 9 in
Harlem, thought perhaps 
her board could do something. She suggested at a meeting that a
study be 
conducted to determine if there is a higher 
cancer rate between 110th and 155th 
Streets, from Broadway to St. Nicholas Avenue.
"Let's first get everyone on the same page," she
said. 
"Are we understanding that there may be a cluster problem
here?"
St. Luke's-Roosevelt Hospital Center is considering
conducting a study on 
cancer rates in that area, and is working with Board 9 
on a plan, said Shelley B. Mayer, the hospital's vice president for
government 
and community affairs. 
But 
cancer clusters, or higher-than-expected concentrations of similar 
cancers in defined areas, are notoriously difficult to pin down.
Susan Klitzman, an epidemiologist and assistant
commissioner 
for environmental 
risk assessment and communication for the New York City Health
Department, said her 
agency receives requests for investigations of suspected 
cancer clusters from many sectors of the city. 
"It is very difficult to document a cluster of 
cancers in a community setting, because in reality 
cancer is pretty common," she said. 
"Many people develop one type of 
cancer or another, and different types of 
cancers are thought to have different root 
causes or risk factors."
Meanwhile, people continue to worry. Lillie Robinson, 54,
who lives at 41 St. 
Nicholas Terrace and has lived 
in Harlem since 1967, is concerned that one contributing factor may
be the 
five-year-old sewage treatment plant at 145th Street on the Hudson
River.
"It wasn't happening before," said Ms. Robinson,
who has 
cancer. 
"I didn't hear about a 
lot of 
cancer when I moved here. It seems there's a major uprising. Is it
in the water? Is 
it in the food we're eating?"
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